SpeedBox 1.4 B.Tuning for Bosch SX S3-Size- 250mmx170mm minimizing hand fatigue

minimizing hand fatigue

08 oz/ 144g (NOT Including battery)

Helmet and remote can be fully charged in just 2 hours and 1 hour

Color: Matte Black

Axle (Option): 9mm-Dropout

SpeedBox 1.4 B.Tuning for Bosch SX S3-Size- 250mmx170mm minimizing hand fatigueSpeedBox 1. 4 B. Tuning for Bosch SX (Smart System + Rim Magnet) Advanced tuning chip for Bosch Performance Line SX motors (BDU3142, BDU3143) with simplified installationno magnet simulator required. Enables unlimited speed (max 35 km h recommended) and connects to the SpeedBox App for real time ride data. Activation via App, WALK function, or + + buttons. Compatible with Bosch Rim Magnet setups and current software versions. Note: Not compatible with