An explanation of torque-arms, torque-collars, and why we need them with pedal-assist electric motor systems.
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Recumbent gearing calculator
Bacchetta A26 (Giro ATT-26) recumbent bike gets even faster with 350W Bionx electric motor.
HP runs out of Gekko-FX20 recumbent trikes in US for 2017
Production delays over. Day-6 bikes available and in-stock again