Rear derailleur 12-speed in black for Shimano, Sram in gold.

Item discription rear derailleur:
A rear derailleur for up to 52 teeth, with carbon fiber cage for 12-speed Shimano and Sram drives. A gear change is lightning fast with clean shifting behaviour, even with a hard gear. 
In order to reduce excessive chain tension and friction losses, 12-tooth rear derailleur rollers were used.
The rear power derailleur is compatible from 10 to 52 teeth and a single or double setup.

Scope of delivery:
shifting rollers: 12 teeth
Cage material: Carbon fiber
Colour: black, gold
Manufacturer: ZRace

Scope of delivery:
1 x Rear derailleur with carbon cage