Shimano Hollowtech II bottom bracket bearing wrench due to its design does not damage aluminum cups and facilitates screwing and unscrewing, made of hardened steel, covers the cup on both sides to prevent damage.
"BIKE HAND" was founded in 1988 in Taiwan. The company manufactures bicycle tools all over the world and has many innovations on the horizon. Through its dedication to innovation and development, BIKE HAND has become a world-renowned manufacturer of professional cycling tools.