SpeedBox 1.4 B.Tuning for Bosch SX (Smart System + Rim Magnet) Brand_Mavic These are generic plastic Chinese

These are generic plastic Chinese throttles and are not a Grin designed product

Component Specification Battery 72V / 30Ah (2160Wh) Samsung Lithium (Swappable) Weight 48

11-51T wide gear range

Ride In Confidence

D(mm) 52 & 58 Flange Diameter(mm) 60 & 66 O

SpeedBox 1.4 B.Tuning for Bosch SX (Smart System + Rim Magnet) Brand_Mavic These are generic plastic ChineseTuning chip for e bikes with Bosch Performance Line SX motor and Rim Magnet Unlock the 25 km h limit and use the full power of your e bike! Bluetooth SpeedBox app The product is fully compatible with motors Performance Line SX 4th generation (Motor models BDU3142) (Motor models BDU3143) Motor mounting: 2 upper screws View overview of supported software versions Not sure which one to choose? Buyers Guide Compatibility Motors: Bosch Performance Line SX