Shimano TL-FC36 Bottom Bracket Tool Description: The Shimano TL-FC36 is designed for the installation and removal of the HOLLOWTECH II 2-piece crankset bottom bracket. The offset of the tool also makes it easy to install and remove the disc brake rotor lock ring on 20mm and 15mm thru axle hubs. The ergonomic handle and generous length allow for mechanical advantage to reach proper torque. Features: Offset design allows turning the tool without hitting the chainstay and clearing the rotor Precision laser cut profile ensures a secure slip-free fit Chrome-plated chromoly body increases rigidity and durability Ergonomic handle Length: 11 3/4"