ultralight bicycle rear derailleur tensioner for Brompton bike single speed / 2 speeds / 3speeds
weight about 124 g
* Supports : 1 speed, 2 speed, 3 speed
* Color : Silver, Black, Champagne, Gold
* Includes : the chain guide body and two bearing guide wheels
The body adopts aluminum alloy cnc processing.Guide wheel center bearing,Can ensure that the frame guard does not move,Only the middle gear rotates, More conducive to variable speed.