Compact Bell ebike This is a great question

This is a great question

Hub body to fit a variety of bikes from MTB to road

- 10- and 11-speed compatible - X-SYNC pulley features a 12-tooth design that helps control the chain's lateral movement - X-HORIZON "straight parallelogram" design limits all movement to the horizontal axis

press fit diameter bottom bracket shell

and PF30 with 83mm wide BB shell (downhill)

Compact Bell ebike This is a great questionA new bell built to Spurcycle standards using 30% fewer parts and a singletrack focus. Lighter and more compact, it's the perfect bell for your mountain bike or flat bar commuter. Engineered for the same lasting Spurcycle sound. Ring early and roll through with path clearing resonance. Half the mount width. New compact form fits easily between handlebar components. Fixed 22. 2mm mountno drop barsmade of composite nylon. Fewer parts mean lower cost,