Amazon.com : SPEEDBOX 2.1 for Giant Ebike. Tuning kit Suitable for All 2017-2021 Giants - Giant Syncdrive Sport/Pro/Life/Core eBikes. Smart Tuning chip of The Second Generation : Sports & Outdoors
Speedbox 1.0 for SHIMANO - E-Bike Chip Tuning Module
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
Speedbox Ebike Speed Limit removal Chip for Shimano 1.3B