SpeedBox 3.0 Tuning Chip Kit for Yamaha eBikes. This Speedbox 3.0 works with any ebike fitted with these Yamaha motors from 2017-23; PW-SE, PW-X, PW-TE, PW-CE, PW-X2, PW-ST (until 2021). The Speedbox 3.0 also gives riders full use of their display, with accurate speed, distance and range in kmh or mph.
eBay