Internal Gearbox E-Bikes - The ST2 Pinion from Stromer Features a 750-Watt Rear-Hub Motor (TrendHunter.com)

(TrendHunter.com) Stromer launched the ‘ST2 Pinion,' the highly-anticipated sequel to the ST2 Belt e-bike from the Swiss manufacturer. The ST2 Pinion features upgraded internal components from the Belt,...