M21 Rear Derailleur 6/7 Speed Super Short Cage

RD-M21SS

M21 Rear Derailleur 6/7 Speed Super Short Cage

Our line of mountain and trekking derailleurs starts with M21, but that doesn’t mean it’s entry level. Using the same kinematics as our more expensive derailleurs and innovative construction technics, M21 delivers responsive performance in an attainable package.

Features.

Robust attachment body improves durability and shifting response

Speed	7-Speed, 6-Speed
Cage Length	Super Short Cage
Max Cog	28-30T
Min Cog	13-14T
Capacity	21T
Clutch	No
Cage Material	Steel
Outer Link Material	Composite
Compatibility	Shimano Mountain

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Support

WARRANTY

POLICY

microSHIFT warrantees all its products to be free from defect in material and workmanship for four years from the original date of purchase.

HOW TO MAKE A CLAIM

All warranty requests must be accompanied by a photo of the affected product and an image of the retail purchase receipt if applicable. Please take extra care to select whether the request is coming from a retailer or a consumer and which geographic region is the request coming from. Once the form is submitted, please allow one business day for the warranty process to be initiated.

United States

Email: service@microSHIFT.com

Phone: +1 (833) 364-9838

China

WeChat: microSHIFT

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Please submit a photo of the drive side of the bike including the crankset and rear derailleur, as well as a close-up picture of the problem if applicable.

Four years. We warrantee all products to be free from defect in material and workmanship for four years from the original date of purchase.

We’re doing our best to make microSHIFT products available everywhere, all the time. We do our best to fulfill all orders as fast as possible, but sometimes supply does not keep up with demand. If your local distributor doesn’t carry microSHIFT, ask them to.

No, we work exclusively with regional distributors to sell our products.

We work with regional distributors to make products available around the world. We’re working to improve our coverage, but if you can’t find a product locally, try an online retailer.

GROUPS

Mountain

Road

PRODUCTS

M21 Rear Derailleur 6/7 Speed Super Short Cage

RD-M21SS

M21 Rear Derailleur 6/7 Speed Super Short Cage

Features.

Support

WARRANTY

POLICY

HOW TO MAKE A CLAIM

United States

China

Contact Information

Product Information

Info

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© 2022 MICROSHIFT | AD-II ENGINEERING INC. ALL RIGHTS RESERVED

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