Shimano STEPS FC-EM900 E-Bike Crank Arm Unit 170mm Black Left Hand

Designed for the rigors of mountain bike riding, the ShimanoSteps FC-EM900 is a dedicated E-MTB crank uses Hollowtech II crank arms that same appearance as FC-MT900. It is available with 160 mm, 165 mm, 170 mm, 175 mm crank arm lengths.

Technologies

Hollowtech -Hollow forged crank arms

A lightweight crankset not only reduces the bike's weight, but decreases rotating mass to aid in acceleration.

The challenge is to reduce the weight of the crank without reducing its strength and rigidity.

Shimano's advanced forging technology has solved the problem through the HollowTech crank.

Just like high quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very lightweight.

Features

Stiff and lightweight hollow forged crank maximises power transfer while limiting weight

24 mm bottom bracket spindle

Specifications

Colour Black Q Factor 177mm BB Type 24 mm Axle Serration Crank arm length 160, 165, 170, 175mm