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SpeedBox was also designed for e-bikes that do not have a classic control unit with WALK assist function
Installation guide PDF
The manufacturer recommends keeping the maximum speed for Giant models up to 21-22 mph (35 km/h)
Protect harness
Display type: RideDash Plus
Surron Light Bee jackshaft BroseSL SpeedBox was also designed forAn original replacement primary gear for the Surron Light Bee, with the bolt on sprocket and pulley included. If you've found that your original primary gear pulley is worn, either due to power modifications or really large mileage, you could upgrade with a belt to chain conversion kit. Those kits are tailor made to take a beating and put down massive power without needing maintenance.