Chain tensioner DOPPLER wheel axle DERBI , SENDA ... color and diameter to choose from

The DOPPLER chain tensioners are made of high quality anodized CNC aluminum, they are mounted in place of the original.

They have been designed to allow the passage of impact sockets for tightening.

This chain tensioner allows continuous tightening and precise adjustment, preserving the longevity of the chain, while adding your personal touch to your 2 wheels.

Color of your choice