The AT12 speed rear derailleur is designed for a 1x12 speed drivetrain.

An aluminum body with a carbon fiber cage provides durability and low weight. 

H/L and B-limit screws gives great adjustability. 

The long cage allows a cassette up to 52T. 

Designed for M10x1 standard mount only. ​​​​​​​

​​​​​​​Model: RD-AT12

Speed: 1*12S

Main Material: Aluminium

Cage Material: Carbon 

Cage length: Extended

Max Gear Range: 11T - 52T 

Color: Black + Red & White

Weight: 278g