Description:

The chain tensioner can support single speed, 2 speed, 3 speed and 6 speed. Both internal and external changes can be used.
Made of engineering plastic, CNC processing, durable and sturdy.
The bearing is placed inside the gear to ensure that when the guide wheel works, the frame does not move, only the guide wheel rotates, making the speed change more smooth.
Suitable for Brompton folding bike.
Lightweight and compact, easy to install and use. Nice accessory for cycling lovers.

Specification:

Size: approx. 150x70mm/5.91x2.76inch

Package Includes:

1 Piece Bike Chain Tensioner

Note:

1. Please allow slightly error due to manual measurement.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
3. Wish you a wonderful on-line shopping!