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Pay in 4 interest-free payments of $4.99 Learn more
Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
so you need to be able to remove the left hand crank to fit this (requires bike tool - 'square taper crank puller')
which allows you to shift gears effortlessly with a simple twist
maximum assistance for high cadence
or Smart System Controller
Mounting plate for Bosch Gen 3 Drive Unit out-of-stock-since-May-2026 so you need to beBOS 1270014052 Bosch Mounting Plate (Gen 3)