SHIMANO BM-E8031 UPPER MOUNT UNIT Cassette & Freewheel Tools Stability vs low/high temperatures

Stability vs low/high temperatures

Wider range capacity

These cranks are a serious upgrade that will increase strength and pedal strike resistance while reducing your bike’s weight

2021 Rove E+

SHIMANO BM-E8031 UPPER MOUNT UNIT Cassette & Freewheel Tools Stability vs low/high temperaturesGenuine Shimano mounting bracket engineered for Shimano STEPS e bike systems. The BM E8031 upper mount unit delivers secure, precise positioning of compatible components, ensuring stability and reliable performance. Built to Shimano's exacting standards, it's the perfect replacement for damaged mounts or essential for completing e bike builds and servicing. Designed for exact fitment and durability on your STEPS equipped bike. Compatibility E8000 BM