The Shimano Nexus Di2 SG-C6061 gear hub is specially designed for electric bikes with Shimano Di2 drive. The gears are shifted electronically by pressing a button. Features Electronic hub gears. Controlled via Di2 handlebar remote control. 8 gears for a wide range of ratios. Shifts even when stationary. Sprocket NOT INCLUDED. Specification Rotor Mount: Centre Lock. Spoke holes: 32. Axle: 10x135mm. Axle length: 184mm. Please Note: Supplied as hub only, this hub is compatible with the Shimano Di2 motor unit MU-S705C and a sprocket for Shimano hub gears are required to operate the gears.
Best Price: £79.99 from Merlin Cycles