Speedbox 3.0 for BOSCH (2017-21) ebike tuning speed unlock
Active Line Plus Gen 3 - SpeedBox 3 - Wiring - EMTB Forums
SPEEDBOX: Top 10 Products from Sports & Outdoors Brand - FindThisBest
SPEEDBOX 3.0 for Bosch / eBike Tuning, also for Bosch engines of the 4th Generation / Smart tuning chip of the 3rd Generation incl. 1 crank puller: Buy Online in INDIA at desertcart