Feature

●Chain tensioner can support single speed, 2 speed, 3 speed, 6 speed. Both internal and external changes are available
●Bearings are placed inside the guidewheel will not move the frame when the guide wheel is working, only the guide wheel rotates, and the speed change is more smooth
●Lightweight and compact, easy to install and use. Great accessory for the cyclist
●Made of nium alloy material, CNC machined, durable and durable
●Suitable for folding bikes


Description

Description:

- Chain tensioner can support single speed, 2 speed, 3 speed and 6 speed Both internal and external changes are available.
- Made of nium alloy material, CNC machined, durable and durable.
- Bearings are placed inside of the guidewheel will not move the frame when the guide wheel is working, only the guide wheel rotates, and the speed change is more smooth.
- Suitable for folding bikes.
- Lightweight and compact, easy to install and use. A great accessory for the cyclist.



Specifications:

- Material: Alloy



Size Chart:

Size: 50mm/1.97"



Package Includes:

1 Pair of Rear Derailleur Pulleys