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Shimano 105 R7100 12-Speed Rear Derailleur | Shadow RD, Direct Mount, Wide Gear Range
Reference Number: 3CC7CO
Upgrade your cycling performance with the Shimano 105 RD-R7100 12-Speed Rear Derailleur - the perfect blend of precision engineering, innovative technology, and sleek style. Designed for serious road and gravel riders, this derailleur delivers smooth, stable shifting and reliable durability in any riding condition.
Materials & Construction:
Crafted with high-quality, lightweight aluminum and reinforced components, the Shimano 105 RD-R7100 ensures durability and optimal weight savings. Its robust design withstands the rigors of demanding rides, making it an excellent choice for both competitive cyclists and avid enthusiasts.
Performance & Engineering:
With Shimano's renowned Shadow RD design, this derailleur features a low-profile, single-tension construction that minimizes chain sway and reduces the risk of chainstay contact - even on rough terrain. The optimized Shadow design enhances stability and responsiveness for crisp, accurate gear shifts at all times. The wider gear range capacity of up to 41 teeth ensures you can handle diverse terrains and steep climbs with confidence.
Components & Technology:
Compatible with HG 12-speed chains, the RD-R7100 offers seamless integration with Shimano's latest drivetrain systems. The direct mount compatibility allows for easy installation on large-section, modern frames, including mountain bikes with thru-axle dropouts. With a maximum sprocket capacity of 36 teeth and a minimum of 34 teeth, this derailleur provides versatile gearing options for varied riding styles.
Style & Use Case:
Featuring a sleek black finish, the Shimano 105 RD-R7100 combines style with function, making it ideal for performance-oriented road and gravel bikes. Its medium cage length is perfect for setups needing a wide gear range, and its lightweight design (just 249g) keeps your bike agile and responsive. Whether you're sprinting on pavement, tackling gravel trails, or enjoying long-distance rides, this rear derailleur ensures smooth, precise shifting under all conditions.
Innovative Features & Differentiators:
- Shadow RD Low-Profile Design: Reduces chainwatch, improves stability, and prevents derailleur from hitting the chainstay during rough rides.
- Direct Mount Compatibility: Supports large-section chainstays and thru-axle frames for modern, high-performance builds.
- Wider Gear Range: Up to 41 teeth capacity for versatile gearing and optimal cadence control.
- Enhanced Durability: Built to withstand demanding cycling environments, from mountain trails to road racing.
Specifications:
- Largest Cog: 36T
- Total Capacity: 41T
- Chain Wrap Capacity: 41 teeth
- Rear Derailleur Mount Type: Shimano Rear Direct Mount / 10x1 Standard
- Drivetrain Compatibility: Shimano Road 12-Speed
- Cage Length: Medium
- Weight: 249g
- Color: Black
Upgrade your bike's shifting system with the Shimano 105 RD-R7100 Rear Derailleur - engineered for precision, durability, and versatile performance. Dominate your ride with smooth, reliable 12-speed shifting that unlocks your full cycling potential.
- Optimized for 12-speed Shimano road drivetrains, the Shimano 105 RD-R7100 Rear Derailleur offers precise and reliable shifting with a durable Shadow design that minimizes height and chainstay impact.
- Constructed with high-quality aluminum and composite materials, this rear derailleur delivers lightweight performance and enhanced stiffness for smooth, stable gear changes across a wide gear range.
- Featuring Shimano's innovative Direct Mount technology, it's compatible with modern frames and thru-axle dropouts, making installation straightforward and ensuring maximum clearance and stability on large section chainstays.
- Designed for aggressive riding conditions, the Shadow RD low-profile design prevents derailleur strikes and chain drops, allowing confident descents and technical climbs with wide gear capacity up to 41t.
- Built for versatility and durability, it supports HG 12-speed chains and provides a smooth, consistent shifting experience, optimized for road and gravel adventure applications.
| Item Specifications | |
|---|---|
| Largest Cog | 36 |
| Rear Der/Shifter Compatibility | Shimano Road |
| Rear Derailleur Mount Type | 10x1 Standard |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Drivetrain Speeds | 12 |
| Chain Wrap Capacity (teeth) | 41 |
| Cage Length | Medium |
| Color | Black |
| Weight | 249 |
Why 365 Cycles?
365 Cycles is an Authorized Shimano Dealer, and we offer the Full Shimano Warranty!
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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.
