K edge dirt 2 adjustable chain catcher double specific cranks black
The ultimate in lightweight mountain bike chain catchers designed to work with all double chainsets 40adjustable for size41 with external bottom bracket bearings it acts as a ramp to guide your chain and virtually eliminates the possibility of your chain dropping off the small chainring onto the bottom bracket helping to protect your frame and keep you in gear please note this is not a dh chain device and is designed to help eliminate chain drop while shifting rather than guiding