Shimano launches EP810 e-bike drive system with 750W peak power and 2.3kg motor
Shimano has introduced the EP810 e-bike drive unit with 750W peak power, 100 Nm peak torque and a 2.3kg motor weight, paired with a 720Wh battery weighing 4.1kg. The system supports automatic shifting, automatic assistance in Trail+ mode and hill hold when using walk mode, and is compatible with third-party batteries; Shimano says maximum assist cadence rises to 160 rpm, but the motor is generally not backward compatible, so most frame makers will need to update designs.
Why it was selected: Comparing the EP810 with Avinox and Bosch CX on power, weight and charging shows the trade-offs Shimano made in returning to the e-bike drive unit competition.
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Source: 野途