The Shimano TL-FC16 Crank Arm Installation Tool is a purpose-built bike service tool that makes installing and removing Shimano square-taper and Octalink crank arms more secure and efficient. Designed to fit the interface on compatible Shimano cranksets, this tool helps you apply even force when seating or extracting crank arms without damaging bearing surfaces or threads — giving you confidence and control during bottom bracket and crank maintenance.

Constructed from durable, service-grade materials, the TL-FC16 engages the crank arm interface precisely to prevent slippage or misalignment during installation or removal. Its ergonomic profile provides good leverage and comfort when used with a wrench or socket drive, helping you press components evenly and avoid undue strain on adjacent parts. Whether you’re completing a routine overhaul, replacing worn parts, or adjusting your drivetrain setup, having the correct crank arm tool improves precision and reduces the risk of inadvertent damage.

This tool is an essential part of a complete bike tool kit for anyone who regularly services Shimano cranksets. It simplifies a task that otherwise can be awkward with improvised tools and helps ensure components are seated properly for smooth, reliable pedaling performance.