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Shimano Ultegra R8100 50T 12-Speed Asymmetric Chainring | Lightweight Aluminum & Carbon Fiber Reinforced, High Rigidity for Precise Shifting
Reference Number: 4NR9YC
Upgrade your road cycling performance with the Shimano Ultegra FC-R8100 12-Speed Chainring - the perfect blend of durability, precision, and sleek style. Designed for serious cyclists seeking optimal power transfer and smooth front shifting, this 50-tooth asymmetric chainring is compatible with Shimano's high-performance FC-R8100 and FC-8100-P 2x12-speed cranksets.
Materials & Construction: Crafted from premium aluminum with an anodized black finish, the Shimano Ultegra FC-R8100 chainring offers exceptional durability and corrosion resistance. Reinforced with carbon fiber plastic, it maintains a lightweight profile for enhanced riding efficiency, making it ideal for competitive racing or long-distance endurance rides.
Performance & Engineering: Featuring Shimano's innovative Hollowglide technology, this chainring delivers high rigidity while reducing weight, ensuring seamless power transfer and quick, precise front shifting. Its asymmetric 110 BCD (Bolt Circle Diameter) design optimizes chain alignment and reduces pedal bob, translating to a more efficient and responsive ride.
Components & Technology: Optimized for use with HG 12-speed chains, the Shimano Ultegra FC-R8100 chainring ensures reliable engagement and smooth shifting across rough terrains. The round 50t outer ring pairs perfectly with a 34t inner chainring, providing a versatile gear range suitable for varied cycling conditions, from steep climbs to fast-paced sprints.
Style & Use Case: Boasting a sleek black finish, this outer chainring not only elevates the aesthetic of your bike but also enhances its performance. Suitable for road cyclists, triathletes, and competitive racers looking to upgrade their drivetrain with a lightweight, durable, and technologically advanced component.
Innovative Features:
- Aluminum construction with carbon fiber reinforcement for durability and low weight
- Hollowglide technology for increased rigidity and performance
- Asymmetric 110 BCD for improved chainline and shifting precision
- Compatible with Shimano HG 12-speed chains for seamless operation
Enhance your cycling setup today with the Shimano Ultegra FC-R8100 12-Speed Chainring - engineered for speed, precision, and durability. Dominate your next race or long-distance ride with confidence and efficiency.
- Optimized for 12-speed Shimano Ultegra drivetrains with a 50-tooth outer chainring, designed for cyclists seeking precise and efficient gear shifts.
- Constructed from premium anodized aluminum combined with carbon fiber-reinforced plastic for exceptional durability, lightweight performance, and corrosion resistance on the road.
- Features Hollowglide technology that enhances rigidity and reduces weight, providing superior power transfer, responsive shifting, and smoother acceleration during intense rides.
- Asymmetric 110 BCD bolt circle diameter ensures compatibility with Shimano's high-performance cranksets and allows for versatile chainring combinations tailored to your riding style.
- Stylish black finish with a round tooth profile makes this chainring ideal for road cycling, racing, and endurance events, offering both aesthetic appeal and professional-grade engineering.
| Item Specifications | |
|---|---|
| Color | Black |
| Ring Position/Type | Outer |
| Tooth Count | 50 |
| Round or Oval | Round |
| Drivetrain Speeds | 12 |
| Chainring BCD | 110 Shimano Asymmetric |
| Material | Aluminum w/ Carbon Wrap |
| Defined Color | Black |
Why 365 Cycles?
365 Cycles is an Authorized Shimano Dealer, and we offer the Full Shimano Warranty!
Fast Shipping!
Professional Customer Service- available 7 days a week
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365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.
We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.
Shipping & Handling
Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.Please allow 1-2 business days for your order tracking to update.
- Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
- Friday afternoon -Sunday orders ship the following Monday
- Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.
Combined Shipping Discounts
To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.- Be sure you are using the US site: https://www.ebay.com
- Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
- Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
- Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
- You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.
Returns
365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.
