Box Components 8 Speed Wide-Narrow Chain Ring - 104 BCD - Round - Black - 32T PLP|Riding Style Granite Design has a handy

Granite Design has a handy toolkit with a ratchet set that will tighten 95% of the hardware on your bike

A fully repairable and adjustable clutch that can be turned on or off

Replace those worn out bearings

This simply tells you if it's 'good' or 'bad'

Box Components 8 Speed Wide-Narrow Chain Ring - 104 BCD - Round - Black - 32T PLP|Riding Style Granite Design has a handyThe Box Four Wide Narrow chainring completes that package for the 1x8 system. It is the first 8 speed specific chainring designed to optimise chain retention when using 8 speed chains. The tooth profile and thicknesses are tailored to match the inside geometry of the unique Box Four chain. Who's this item for: riders looking for a wide range setup with the simplicity of 8 speeds Number of teeth: 32 Mounting style: 104 BCD Chain retention technology: