SpeedBox 1.4 for Bosch SX (Smart System + Rim Magn Code:SB14-B including Bosch CX Gen 4/Gen

including Bosch CX Gen 4/Gen 5

The tool is plenty deep to hide a quick release and still get full engagement on the lock ring

(Thoroughly clean bottles before first use and then after every use to prevent bacteria build-up)

From its massive 520% gear range

SpeedBox 1.4 for Bosch SX (Smart System + Rim Magn Code:SB14-B including Bosch CX Gen 4/GenSpeedBox 1. 4 for Bosch Performance Line SX (4th Gen) Simplified installationno need for a separate magnet simulator. Designed for BDU3142 and BDU3143 motors mounted with two top screws. Enables unlimited speed (max 35 km h recommended). Activation via WALK button or + + combination. Tuning status indicated by 3. 5 2. 5 km h display values. Compatible with Bosch Rim Magnet setups only. Not compatible with standard magnets, ABS systems, or SpeedBox