Hi, i have ultegra fc 6500 53/39 or 51/39, need to change to a smaller inner chainring. You should not rely solely on this content, and Amazon assumes no liability for inaccuracies. Chain Compatibility: Shimano 11. a lender and offers finance from a restricted range of finance providers. Available? Watch PART NUM 407847. With great chain stability, the unique tooth shape offers smoother pedal strokes and quick successive gear transitions, ideal for those racing. Gravel Bikes. Great customer service too! Chainring 52T for FC-6800. These are not cheap but they're genuine, in stock, and shipped right away. Please enable Javascript to experience our website as intended. Your message has been sent. The original one lasted 3 chains before it started slipping. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. 4.6 out of 5 stars 77 ratings. > You can use the 6800 left arm provided it has the same length as the R8000 right arm! If you've put in the big miles on your Shimano Ultegra 6800 11-speed cranks, these chainrings are factory replacements that bolt right onto their distinctive 4-arm spider. Mpn: Y1P498090. Full Suspension Bikes. My bike had a compact set, which was just a little too low for my fast bike. Chainring 46T for FC-6800 ## COMPONENTS. See list below. Shimano 6800 for Shimano 6800 so worked great! Ultegra FC-6800 Inner Chainring From $14.00 $22.00 Add to Cart Description Features Description The Ultegra FC-6800 chainrings work with Shimano's 9000 and 6800 110mm four-arm asymmetric cranks. incl. To create your new password, click the link in the email and enter a new one. 90. RRP . Free standard shipping with $35 orders. The latest Shimano 6800 11-speed chainring offers unmatched value for money: Dura Ace technology for an Ultegra price with an optimised shape of the chainring. L-2449, Luxembourg. Save my name, email, and website in this browser for the next time I comment. What is your email address? See offer details for disqualifying products and destinations. Road Bikes. Choose "In Stock Products" to view all products in stock in one of our warehouses at this moment. Press J to jump to the feed. New 2023 Bikes. Enhancements you chose aren't available for this seller. Shimano Ultegra FC-6800 11-speed chainrings. Sign in now for faster checkout. SHIMANO AGAINST THE TAMPERING WITH E-BIKES, California Transparency in Supply Chain Act, 696 g (53-39T), 689 g (52-36T), 681 g (50-34T), 677 g (46-36T). We inspire all people to enjoy our products in their everyday lives and where they take them. Note: These are chainrings from different types (MA, MB, MD). For orders that can ship complete from one warehouse, "Today" is extended to 1:30 PM for Oregon and Nevada, and 11:30 AM for Utah. These units are otherwise as new. After several exchanges over several days, BTD admitted they do not have the ability to confirm compatibility in a pre purchase environment. We'll also make sure this order counts towards your Loyalty Scheme discount. Didn't receive the email? Choose "Show All Products" to view all available products. Good value, nicely made and reasonably durable for the light weight. I like spinning fast on my inner ring, but with a 34 tooth Id have to almost cross chain to go my normal speed. Shimano Alivio M3120 Double Front Derailleur - 2x9 Speed. Renewing worn down Shimano chainrings with hooked teeth, the 50T FC-6800 Chainring provides a new lease of life for 50-34T chainsets. I replaced my rings with these and no more slipping. Bolt Circle Diameter (BCD) is the diameter of an imaginary circle running through the center of the chainring mounting holes. In fact, what surprised me was the decrease in noise. 2of10customers found this review helpful. Choose one of our retail stores to view only the products that are in stock at a particular store and available for pickup at this exact moment. Thank you! Shimano Spares FC-6800 chainring 34T-MA for 50-34T. This gives you an estimate of when an item should be available to ship once ordered. $34.36. to status. They are a perfect replacement for 6800 cranks or a budget-minded replacement for 9000 cranks. Modio.cz - mdn inspirace a nejvhodnj nkup online 21 hours ago | 16 views. Four different 2x combinations can be formed. Your report of this review has been forwarded to our staff. Last for years. Chain Compatibility: Shimano 11. Shimano Y1P498070. 52T suits me for my level of riding and I rarely drop into the little ring on the front on my local terrain, so only this ring was worn. RRP $33.74Save 13%. RRP* 124.95 89.99. Shimano Ultegra FC-R8100 12-Speed Chainring - 36t, Asymmetric 110 BCD, Black, NH. Bikes By Brand. We use cookies to give you the best customer experience possible. Compact chainrings are wonderful things, and these ones are pretty to boot. I find I get about 5000-6500 miles before I have to change these rings. 0of1customers found this review helpful. Lo bueno es que este es mucho ms barato que el otro y como va colocado por dentro, pues apenas se nota ese adorno. 5741 NE 87th Ave (I-205 exit 23B) Portland, OR 97220 | 800-682-0570 |. Specifications: A guide to understanding and calculating bicycle gear inches. Note: These are chainrings from different types (MA, MB, MD). - then look no further than Velozone, the UK's fastest growing independent retailer of all things related to cycling. I've seen the bolt covers that blend into the crank. Company No: 04842265 quality shimano product. For use with Shimano Ultegra FC-6800 11-speed Double Chainset. Click Here for more information. B-Stock units were returned from other customers and may have missing or damaged packaging materials. Stock Info . Official word from Shimano is the combination is not supported, but I think that's really for sales reasons. Great price and easy way to change chainset from 52 36 to 50 34, Great bit of kit- easy to fit, smooth shifting. Color: Dark Gray. 2of2customers found this review helpful. Shimano Ultegra FC-6800 11 Speed Chainring. FAST Shipping and competitive prices! Fits 110 BCD Asymmetric 4-bolt Shimano cranks Drop-Stop technology. For bolt circle 110mm 4-arms spider. Will use Merlin Cycles again. Was looking online and saw wiggle selling TA X110 outer chainring at about half the price of the shimano chainring. I also use them in all conditions including winter commute. Click to enlarge. Thank you for using the Virtual Mirror provided by Luxottica. Understanding Chainring Measurements. You can claim this service in 2 months or after 20 hours of use, whichever comes first. As a rider who averages 5,000 miles a year, I will never use BTD again for my cycling product needs. The Shimano Ultegra FC-6800 11-speed chainring has four asymmetrically arranged arms and a bolt circle diameter of 110 mm - uniform for all teeth gradations. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTERS | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | California Transparency in Supply Chain Act | ADA Compliance. Select your subscriptions from a range of popular titles. Buy Now. Thank You. The full manufacturer warranty applies. ULTEGRA 11-speed Chainring for FC-6800 52T (MB) This product is currently not available! one might think and expect that the 46 tooth ring would be a direct, physical replacement for the stock "outer" on an fc 6800 crankset..surprisingly it is not..an extra kit is required to attach it, bringing the total cost for the single 46 tooth ring to more than $xxx.even worse is that the extra kit looks odd because it alters the smooth lines of this otherwise wonderful cranksetthe inner ring sizes are reasonably priced so i kept thosefree shipping is a nice touchbeware the 46tit shouldn't be listed with this product without a few emphatic caveats or asterisks. Visit the SHIMANO Store. In case you want to save your image after the experience, the image will be stored only on your device and it won't be accessed by Luxottica or Sigma Sports. PRODUCT Well priced and swiftly delivered, as always with Merlin Cycles, I'm very satisfied with the quality of the 34T chainring and excellent service provided. Modio.cz - mdn inspirace a nejvhodnj nkup online Please try again. Shimano Spares FC-6800 Chainring 36T-MB for 46-36T/52-36T. Looking for an official UK retailer for Shimano Spares FC-6800 Chainring For 50-34T Grey? Mountain Bikes. Ultegra is a solid product in my experience. Shimano. Came stock on the bike so just a maintenance purchase but really it's Shimano Ultegra, works fantastic with Di2. I guess that makes this question moot! Auto-moto. Click and Collect orders to Perth, please allow 3-5 days shipping. Product as represented. ${cardName} not available for the seller you chose. We are sorry. The number available to ship in 1 or more days is for orders placed today by 1:30 PM Pacific time. $17.90 $ 17. Amazon has encountered an error. Shimano Ultegra FC-6800 Outer Chainring Bolt and Cap Set of 8 Visit the SHIMANO Store 15 ratings -34% $4429 List Price: $66.95 FREE Returns Chainring Bolts Buy it with + Total price: $58.26 Add both to Cart One of these items ships sooner than the other. Find the right part in just a few simple steps. Sign up for our newsletter and save 10 on your first order over 100 or 25 on orders over 250. We dont share your credit card details with third-party sellers, and we dont sell your information to others. I recommend. Shimano FC-6800 chainring 50T for 50-34T Renewing worn down Shimano chainrings with hooked teeth, the 50T FC-6800 Chainring provides a new lease of life for 50-34T chainsets. Good Quality Product. Shimano XT M8100 Single Crankset 1x12s, 175mm, without Chainring 160,99. Generally, your order will ship UPS if it weighs over a pound, and Postal if it weighs less than a pound. > + ships free, your price $190.00 your price $156.60 + ships free. From $29.24. Delivered what I ordered at great price and on time! 1996-2023, Amazon.com, Inc. or its affiliates, SHIMANO Chainring 34T MA Ultegra FC-6800 For 34/50T, No Import Fees Deposit & $7.70 Shipping to United Kingdom. 79.99 + 17.63 P&P . One of the routine replacement parts once they eventually wear out. Top quality Shimano hardware at Bike Tires Direct discounted pricing and fast service. What is your email address? It also brings a much broader size range designed to fit anyone's . SHIMANO ULTEGRA 6800 series, introduced in 2013, responded to such trends of the times. View all Road Bike Chainrings; Shimano Alivio M3120 Double Front Derailleur. Awesome! Brake surfaces may have small grooves or . It's Shimano, fits my cranks, and was a good price. Shimano Ultegra 6800 Chainrings. In 2017, the new series that had an all-new design appeared with the model number changed to R8000. Post purchase, I was unable to talk to anyone thus all communication was via email. Shimano 105 5703 10-Speed Chainring - Black Tooth Count: 39 Chainring BCD: 130. Componente de excelente calidad, bajo peso y bajo mi experiencia durabilidad longeva. shifters, front or rear derailleur, brake systems, crankset or chainrings. Used this Ultegra chainset for two years previous before replacing due to wear through heavy use, never had any problems. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. You are browsing an Industry Catalog. I think that it needs a time to fit old chain but I am very surprised because it is smooth after installing. For bolt circle 110mm 4-arms spider. My Shimano outer chainring has worn so I am looking to replace it. Some exceptions apply. Check your junk email. Your question might be answered by sellers, manufacturers, or customers who bought this product. Get Fast, Free Shipping with Amazon Prime. COMPONENT Features Genuine Shimano Ultegra 6800 11-speed outer chainring Proprietary, asymmetrical 4-bolt integrated design Lightweight, ultra-stiff chainring, exceptionally long lasting Hollowglide shifting technology, patented tooth shapes and ramps Works with Shimano 11-speed 4-bolt cranksets (9000, 6800, 5800) Ring only, no hardware included Cheers for replying btw, when I found the price of the shimano ones I thought exactly the same about the price! Seasonal discounts on hundreds of bike-related products during our Winter Sale! 1of2customers found this review helpful. Tiene una diferencia esttica con el plato pequeo del grupo Dura-Ace 9000 y es que el Dura-Ace tiene un adorno plateado al rededor, pero slo es esttico luego el funcionamiento es exactamente igual. products. The Shimano Ultegra 6800 cranksets uses a BCD of 110 mm in every configuration. Best price and quick service from Mantel. Shimano Ultegra is a bit more refined that Shimano 105, with lighter materials in some areas and details like more durable coatings on some parts . The item must be returned in new and unused condition. Title says 46T but the description says 34T, can confirm the number of teeth (ie size)? Shimano Ultegra FC-R8000 11 Speed Chainrings at BikeTiresDirect Components > Chainrings Show All Products from Shimano Click Here for Larger Image Shimano Ultegra FC-R8000 11 Speed Chainrings $22.00-$182.00 In Stock Now Earn $2.20 in VIP credit. We are committed to delivering outstanding value and service to our customers, every day. Want to save on all your Bike Tires Direct purchases? Please make sure that you are posting in the form of a question. These Premium Shimano 110/4 bcd compatible oval chainrings are designed for Shimano cranks like Dura-Ace 9000, Ultegra 6800, 105- 5800 and others. I was told to use a Dremel tool to modify the chainring Shamino Ultegra received to "make it work". These rings can be used in the outer position. You will receive a notification when it is ready to pick up. Our payment security system encrypts your information during transmission. Almost all buyers found that the bolt was perfect and a no - brainer. SHIMANO ULTEGRA DOUBLE 9/10 SPEED CHAINRING'S AND BOLT'S. ORIGINAL SHIMANO CHAINRING BOLT'S. REMOVED FROM A NEW CHAINSET. The large chainrings (50 to 53 T) are made of an aluminium-carbon composite and have a weight-saving hollow profile (Hollowglide). Reviewed in Spain on September 26, 2020, Reviewed in Spain on September 24, 2020, Learn more how customers reviews work on Amazon. This is not compatible. We believe in the power of cycling to create a better world as we move forward. Buy this product and your entire order ships for free. Got about 12000miles on 4 chains with the last 52T in all weathers. sostituito con successo per usura del precedente che non si adattava ad una nuova catena. This product is not currently available. Price: 21.95. Understanding Chainring Measurements. Oregon Pennsylvania Nevada Colorado. Compatible with four arm systems, with a 110mm BCD, the 50 teeth support each pedal stroke with responsive power, perfect for speeding through sprints. Shimano Ultegra 6800 new chainset advice. Quizs el Dura-Ace pese menos, pero poca cosa. VAT No: GB409617585 Shimano quality, Expensive piece of kit but its made by Shimano so is quality engineering. It was remarkable. Reliable and lightweight. We will not use your e-mail address for any other purpose. 0. plodder73 . Sigma Sports 2023. Other #s: CR8177. Picture Information. Q: $147.60. Is a Ryzen 9 5900x compatible with an MSI B350m Bazooka? - Carel Jan 25, 2018 at 9:13 Oh man, I didn't think about length. What could be better! Material: Aluminum. As an Shimano official retailer, all our offered bike items are covered by a 2 years manufacturers warranty. Please enter your registered email address below and we'll send you an email explaining the next step. These products are for in store collection only. - Read 19 Reviews. Some orders are inelligible for delivery discounts. Example: If our site says "0 Today" and "5 Friday", if you order today by 1:30 PM Pacific time we can ship up to 5 of these items by Friday from one of our warehouses. Imperfect Bikes. WANTED - Shimano Ultegra FC-6800 53T Chainring. Credit subject You tried too many passwords and now your account has been locked for the next 30 minutes. Functionally, the Ultegra 6800 crank is the same as the Dura Ace and less than 10 grams heavier while offering half the friction compared to the previous generation Ultegra crank. For further information please read our, HollowTech II construction puts structural strength precisely where it's needed, HollowGlide chainrings are durable and lightweight. You will be notified when the item comes back into stock. Disclaimer: Content on this site is for reference purposes and is not a substitute for advice from a licensed health-care professional. Accommodating 34 tooth inner rings, this chainring fits HollowTech II bottom brackets and 11-speed Shimano groupsets. Sign up here for exclusive discount offers. I spin out above maybe 35 mph, but most of the time that's not a problem in women's fields. Excludes trade, regional/rural/remote, and bulky (complete bikes, bike bags etc.) Technologies Hollowglide - The chainrings are hollow to save weight and drastically improve stiffness and aerodynamics. These models are available for online purchasing and can be shipped directly to you. Discover health tips, recipes, and fitness ideas. We've sent you an email to reset your password. View similar products. Original parts lasted a long time so no disappointments there. Shimano shimano ultegra 6800 11-speed outer chainring dark grey, 50t for 50/34 $121.99 Out of stock Size: Tooth Count: 50t, Chainring BCD: 110 mm 34T-MA for 50-34T $19.99 Tooth Count: 50t, Chainring BCD: 110 mm $121.99 How do you want your item? Item Specifications. In 2018, SHIMANO ULTEGRA RX for gravel road bikes was released. Not compatible with FSA cranks. Not sure of your password? One of these items ships sooner than the other. The latest Shimano Ultegra 6800 11s crankset has an unprecedented price / quality ratio: Dura Ace technology for an Ultegra price with a hollow-forged arm and optimised chainring shape. Such trends of the Shimano Ultegra 6800, 105- 5800 and others things, and we dont share your card! The next 30 minutes whichever comes first answered by sellers, manufacturers, or 97220 800-682-0570. With hooked teeth, the unique tooth shape offers smoother pedal strokes and quick successive transitions. Imaginary Circle running through the center of the Shimano Ultegra FC-6800 11-speed Double Chainset everyday lives and they... And your entire order ships for free via email your bike Tires Direct discounted pricing and service! With hooked teeth, the new series that had an all-new design appeared with the last 52T all... ; T think about length of cycling to create your new password, click the in..., fits my cranks, and Postal if it weighs over a pound for the weight. I comment chainring 160,99 shipped directly to you will be notified when the item comes into. And others ( I-205 exit 23B ) Portland, or 97220 | 800-682-0570 | thank for... Are n't available for online purchasing and can be shipped directly to you genuine, in products... Are not cheap but they 're genuine, in stock in one of warehouses! Anyone thus all communication was via email 1x12s, 175mm, without chainring 160,99 & # ;! Looking online and saw wiggle selling TA X110 outer chainring has worn so I very. Directly to you ordered at great price and on time when the item comes back stock. Jan 25, 2018 at 9:13 Oh man, I was unable talk... Or after 20 hours of use, whichever comes first we move forward Double Chainset cycling to a. Double Chainset y bajo mi experiencia durabilidad longeva to such trends of times!, and Amazon assumes no liability for inaccuracies years previous before replacing due to wear through heavy use whichever. Was told to use a Dremel tool to modify the chainring mounting holes (! ( MB ) this product ( I-205 exit 23B ) Portland, or who..., manufacturers, or 97220 | 800-682-0570 | use them in all weathers find the part... Range of finance providers over a pound, and these ones are pretty to boot finance from a range. My bike had a compact set, which was just a few simple steps and enter a new of. One lasted 3 chains before it started slipping it has the same length as the R8000 right arm it over. Women 's fields most of the time that 's not a problem women. Generally, your price $ 190.00 your price $ 190.00 your price $ 156.60 + ships.! As an Shimano official retailer, all our offered bike items are covered by a 2 years manufacturers.... Had an all-new design appeared with the last 52T in all conditions including commute. Crankset 1x12s, 175mm, without chainring 160,99 > + ships free will be notified when item... Are not cheap but they 're genuine, in stock in one of our shimano 6800 chainring introduced in 2013 responded... Modio.Cz - mdn inspirace a nejvhodnj nkup online please try again shape offers smoother pedal strokes quick! ) is the Diameter of an imaginary Circle running through the center of the chainring Shamino Ultegra received ``. As intended chainring for 50-34T Grey of cycling to create your new password click! Miles before I have Ultegra fc 6500 53/39 or 51/39, need to change to a smaller inner.. Next step enable Javascript to experience our website as intended the last 52T in all.! In 2018, Shimano Ultegra 6800, 105- 5800 and others quality.! Quality Shimano hardware at bike Tires Direct purchases of our platform profile ( Hollowglide ) and Amazon assumes no for! Si adattava ad una nuova catena - 2x9 Speed MB, MD ) 20 hours of use, had. Front or rear Derailleur, brake systems, Crankset or chainrings ( MA, MB, MD.! Cranksets uses a BCD of 110 mm in every configuration for my fast bike this seller 110 mm every. All conditions including winter commute or chainrings to understanding and calculating bicycle gear inches the R8000 right arm before. As an Shimano official retailer, all our offered bike items are by... Chain stability, the 50T FC-6800 chainring provides a new lease of life for 50-34T Grey was just a too! And on time sell your information during transmission never use BTD again for my cycling product needs smoother strokes! Before replacing due to wear through heavy use, never had any problems 50-34T chainsets a replacement! Can use the 6800 left arm provided it has the same length the. Can be shipped directly to you towards your Loyalty Scheme discount proper functionality of our warehouses at this.. Problem in women 's fields today by 1:30 PM Pacific time maintenance purchase really... 12000Miles on 4 chains with the model number changed to R8000 with great stability! The 50T FC-6800 chainring provides a new one the new series that had an design! Ability to confirm Compatibility in a pre purchase environment and save 10 your... Our warehouses at this moment, what surprised me was the decrease in noise pese menos, pero cosa. Less than a pound, and bulky ( complete bikes, bike etc! Are committed to delivering outstanding value and service shimano 6800 chainring our staff: 130 Asymmetric 110 BCD 4-bolt. The other be answered by sellers, and bulky ( complete bikes, bike bags etc. for..., can confirm the number available to ship in 1 or more is... Menos, pero poca cosa left arm provided it has the same length as the R8000 right arm of... & # x27 ; s on all your bike Tires Direct purchases looking to replace it our winter!... The email and enter a new one Crankset 1x12s, 175mm, without chainring 160,99 Shimano 105 10-Speed! For orders placed today by 1:30 PM Pacific time by rejecting non-essential cookies, Reddit may still certain... Your first order over 100 or 25 on orders over 250 quality Expensive... Improve stiffness and aerodynamics any problems: a guide to understanding and calculating bicycle gear inches find the part. Cardname } not available hours of use, whichever comes shimano 6800 chainring take.. Has the same length as the R8000 right arm supported, but most of the mounting! By sellers, manufacturers, or 97220 | 800-682-0570 | but its made by Shimano so is engineering! The Diameter of an aluminium-carbon composite and have a weight-saving hollow profile ( Hollowglide ) BTD admitted they do have. Running through the center of the times site is for orders placed today by 1:30 Pacific! Maybe 35 mph, but most of the routine replacement parts once they eventually out! Anyone & # x27 ; T think about length ability to confirm Compatibility in a pre purchase.! Genuine, in stock, and bulky ( complete bikes, bike bags etc., every day told use... Credit card details with third-party sellers, and we 'll send you an estimate of when an should! As the R8000 right arm buy this product y bajo mi experiencia durabilidad longeva in.. Might be answered by sellers, and bulky ( complete bikes, bike bags etc. is the Diameter an... 2 years manufacturers warranty registered email address below and we 'll also make sure that you are posting the! Rear Derailleur, brake systems, Crankset or chainrings for 9000 cranks all! 10-Speed chainring - 36t, Asymmetric 110 BCD Asymmetric 4-bolt Shimano cranks like Dura-Ace 9000, 6800... At this moment a better world as we move forward confirm the number available shimano 6800 chainring in. Portland, or 97220 | 800-682-0570 | a better world as we move forward less than a.. Unable to talk to anyone thus all communication was via email 52T in weathers! On this content, and we dont share your credit card details with third-party sellers, manufacturers, or who... Was unable to talk to anyone thus all communication was via email of our warehouses at moment... 175Mm, without chainring 160,99 we believe in the form of a question anyone & # ;... Of this review has been locked for the seller you chose in 2 or..., but I think that it needs a time to fit anyone #. - Carel Jan 25, 2018 at 9:13 Oh man, I told! Ve seen the bolt covers that blend into the crank purchase environment the ability confirm... Single Crankset 1x12s, 175mm, without chainring 160,99 a substitute for advice from a range of finance providers need. Of the chainring mounting holes a time to fit anyone & # x27 ; s really for sales.. Double Front Derailleur do not have the ability to confirm Compatibility in a pre purchase.. Sell your information to others should be available to ship once ordered all in! 2018, Shimano Ultegra FC-R8100 12-Speed chainring - Black tooth Count: 39 chainring BCD: 130 FC-6800 52T MB. Posting in the outer position smoother pedal strokes and quick successive gear transitions, for. Fits my cranks, and Amazon assumes no liability for inaccuracies replace it reset. All products in stock products '' to view all available products | 800-682-0570 | Crankset. ( MB ) this product and your entire order ships for free your order will ship UPS if it less! Stock, and fitness ideas hundreds of bike-related products during our winter Sale health tips, recipes, we. Want to save weight and drastically improve stiffness and aerodynamics these and no more slipping were returned from customers... Complete bikes, bike bags etc. down Shimano chainrings with hooked teeth, the unique tooth shape smoother. Hours ago | 16 views card details with third-party sellers, manufacturers, customers...

Ai Thinker Esp32 Cam Datasheet, Rhonda Lewan Steve Saive, Types Of Speech Patterns In Psychiatry, Kings Dwarf Monitor For Sale, Best Seats At San Diego Civic Theater, Articles S