Prevent chain jump with hub axle + bearings + nuts + driver M-Wave Radio Bikes Valac 2015
This frame accessory prevents the chain from jumping off the smallest chainring and locking up at the bottom bracket. It attaches to the bottom of the seat tube.
It is recommended to place the end of the accessory at 2mm from the chain.
IN DETAIL:
| Brand | M-Wave |
| Supplier reference | ACGE1057 |
| Color | black |
| Color | Black |