Park BBT-10.2 Shimano Hollowtech 2 End Cap Adjusting Tool algolia-ignore BOA is a cable system

BOA is a cable system that pulls evening with a single dial

Flat batteries can still be dangerous

Hope Spiderless Retainer Chainrings allow for the use of smaller chainrings by mounting directly to the Hope Crank interface

these cassettes are more reliable

The wrench has magnets that hold the nickel plated steel inserts in place

Park BBT-10.2 Shimano Hollowtech 2 End Cap Adjusting Tool algolia-ignore BOA is a cable systemRequired tool for Shimano Hollowtech II cranks. The steel tool features a hook to lift the safety plate and an optional 8mm hex socket for siezed end caps. If you own Shimano Hollowtech II cranks, this is strongly recommended.