M21 Rear Derailleur – 6/7 Speed Long Cage Black

$30.00

Robust composite and steel construction
Compatible with Shimano 6- and 7-speed mountain and road systems
Largest Cog

32

Rear Der/Shifter Compatibility

Shimano Mountain

Rear Derailleur Mount Type

10×1 Standard

Drivetrain Speeds

7

Chain Wrap Capacity (teeth)

43

Cage Length

Long

Color

Black

Weight

206

Out of stock

Free standard US shipping
Contiguous 48 states & DC · 4–7 business days total

30-day returns
Merchant-paid return shipping. Read the policy

Questions about this item? [email protected]

Product brand: microSHIFT

SKU: N08-C07-CC2CDBD79D2B Category: Cycling Accessories

The details

Meet your next everyday essential.

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.
Robust composite and steel construction
Compatible with Shimano 6- and 7-speed mountain and road systems

Largest Cog

Rear Der/Shifter Compatibility

Shimano Mountain

Rear Derailleur Mount Type

10×1 Standard

Drivetrain Speeds

Chain Wrap Capacity (teeth)

Cage Length

Long

Color

Black

Weight

206

Know the fit

Specifications & selected options

Item: M21 Rear Derailleur - 6/7 Speed Long Cage Black
SKU: N08-C07-CC2CDBD79D2B
Product brand: microSHIFT

Robust composite and steel construction

Chain Wrap Capacity (teeth)

Cage Length

Weight

Choose & use with care

A few details before you begin.

Match your bike dimensions

Match your bike dimensions. Compare the information published for the exact item and keep the product name or SKU for reference.

Verify mounting and clearance

Verify mounting and clearance. Check the selected listing and variant, including the supplied components before ordering.

Check care and installation

Check care and installation. Use the directions supplied for your selected item. Contact support if an important detail is missing.

Follow the instructions supplied for the exact product. Features, limits and care directions are specific to the selected model.

Delivery, returns & support

Order preparation takes 1–3 business days, followed by 3–4 business days in transit: 4–7 business days in total. Standard shipping is free to the contiguous United States and DC, with no minimum order.

Request a return within 30 calendar days after delivery. We pay return shipping. After receipt, inspection and initiation of an approved refund take 5–7 business days.

Shipping Policy ↗Returns & Refunds ↗

Before you decide

Product questions

Where should I start when choosing bicycle accessories?

Match your bike dimensions. Read the actual item description, included parts and options. The collection contains different models; a feature stated for one item should not be assumed for every product.

How do I check the size or fitting?

Verify mounting and clearance. Compare the dimensions and compatibility stated for the selected item with the space or equipment you intend to use. If a required measurement is absent, send the product name or SKU to [email protected] before purchasing.

Are different colors or configurations available?

Available choices are shown on the individual product page. Select the actual option labels before adding a variable product to your cart. Photos and specifications should be read together with that choice; availability is specific to the selected configuration.

What should I check before using an item?

Check care and installation. Follow the instructions supplied for the exact model. Do not assume that all items have the same materials, installation method, care directions or intended use.