Amazon.com : SPEEDBOX 2.0 for Yamaha eBike Tuning kit Suitable for All Yamaha PW-TE, PW-SE, PW-X, PWX2, PW-ST Motors. Smart Tuning chip of The Second Generation : Sports & Outdoors
YAMAHA SpeedBox Tuning Kit for PW MOTOR manufactured 2014-2018 only! Haibike 8594206940236 | eBay
Haibike updates for 2020 – Bosch Gen4 motors with 1,125 Wh and FLYON eConnect | E-MOUNTAINBIKE Magazine
Amazon.com : SPEEDBOX 2.0 for Yamaha eBike Tuning kit Suitable for All Yamaha PW-TE, PW-SE, PW-X, PWX2, PW-ST Motors. Smart Tuning chip of The Second Generation : Sports & Outdoors