Topeak Freewheel Remover Staff-Picks Fitting to the bike is

Fitting to the bike is quick and easy using the mount frame (included) that can be used on any tube from 20 to 80 mm in diameter

It also protects the surfaces beneath your devices from water and condensation

A modular design lets you switch between road and MTB bodies while keeping the same power sensor

Sealed cartridge bearings

Topeak Freewheel Remover Staff-Picks Fitting to the bike isFits Shimano, SRAM and other cassette lockrings. Fits Shimano center lock disc brake lockrings * Shimano is a registerted trademark of Shimano Inc. * SRAM is a registerted trademark of SRAM Inc. Specifications Tool Material: Hardened steelSize: 4. 4 x 2. 4 cm 1. 7 x 1 Mfr Claimed Weight 59 g 2. 08 oz