Birzman Bottom Bracket Cup Tool Adapter (for BB9000 & BBR60) garminpromo gravel tracks

gravel tracks

Eccentric leveling feet allow for easy adjustment on uneven surfaces

Small and compact chain tool performs like a shop quality tool by using a fine threaded shaft and super strong replaceable pin

This new Arch is designed to provide traction and control when running 2

Birzman Bottom Bracket Cup Tool Adapter (for BB9000 & BBR60) garminpromo gravel tracksConvenient adapter allows you to use your standard Hollowtech II BB tool on a BB9000 or BBR60 bottom bracket. Constructed of hardened steel Laser etched makings indicate BB type Insert into any Hollowtech II bottom bracket tool for compatibility with newer generation 39mm and 41mm outer diameter Shimano external bottom brackets like those found on Dura Ace 9000, XTR 9000 and Ultegra 6800