Ebike Solution
Shimano RD-TY21 6/7 Speed Mountain Bike Bicycle Rear Derailleur SS Black
Shimano RD-TY21 6/7 Speed Mountain Bike Bicycle Rear Derailleur SS Black
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Shimano Tourney RD-TY21 6/7-Speed Rear Derailleur (Black)
Restore smooth and reliable shifting to your bicycle with the Shimano Tourney RD-TY21 rear derailleur. Designed for 6-speed and 7-speed drivetrains, this component is an excellent choice for daily commuters, recreational cyclists, and youth bikes.
Constructed with a sturdy steel body and friction-reducing resin guide wheels, the RD-TY21 delivers consistent, light-action shifting while keeping weight to a minimum. Its sleek black finish provides a clean, modern look that easily matches any bike frame.
Mounting Notice: The Shimano TY21 derailleur is typically available in two mounting styles (Direct/Bolt-on or Bracket/Hanger mount). Please verify which type your bicycle frame requires before installation.
Key Features
- Reliable Performance: Part of Shimano's trusted Tourney series, offering precise Shimano Index System (SIS) shifting.
- Durable Construction: Made with a tough steel body to withstand the rigors of everyday riding.
- Smooth Operation: Equipped with resin guide wheels (pulleys) for quiet running and reduced chain wear.
- Lightweight Design: Weighs only approximately 268 grams, adding minimal weight to your drivetrain.
Technical Specifications
| Brand | Shimano |
| Series | Tourney |
| Model | RD-TY21-Black |
| Speed Compatibility | 6 / 7 Speed |
| Color | Black |
| Material | Steel + Resin Guide Wheels |
| Weight | ~ 268g |
Package Contents
- 1 x Shimano Tourney RD-TY21 Rear Derailleur (Black)
Important Fitment Notes
- Drivetrain Compatibility: Designed specifically for friction and indexed 6 or 7-speed mountain, hybrid, and city bike drivetrains.
- Chain Sizing: When installing a new derailleur, ensure your bicycle chain is sized correctly and not excessively worn, as a worn chain can negatively impact shifting performance.
More info
More info
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Shipping & Returns
Shipping & Returns
Shipping Information
At Ebike Solution, we aim to deliver your orders quickly and reliably.
- Free UK Shipping on all orders.
- Free next day delivery on orders above £50 (based on availability)
- A tracking number is provided for most items once dispatched.
- Local Collection Available – based in Essex. Please contact us in advance to arrange collection.
International Shipping
- Delivery Time: 7–14 business days (varies by country)
- Customs & Duties Buyer: Paid at the checkout (buyer is responsible for any import fees applicable)
- We currently ship to the EU, and selected worldwide destinations. For specific questions, please at info@ebikesolution.co.uk .
Return Policy
We want you to be fully satisfied with your purchase. If for any reason you are not, we offer a 30-day return policy.
- You have 30 days from the date of delivery to request a return.
- Items must be returned in the same condition as received: unused, unworn, with tags, and in the original packaging.
- To start a return, please email us at info@ebikesolution.co.uk.
- Items sent back to us without prior approval will not be accepted.
- Return cost is flat 3£ on all UK orders.
For any questions regarding returns, you can always contact us at info@ebikesolution.co.uk
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