RaceFace Bosch G4 Direct Mount Hyperglide+ eMTB Chainring 55mm Chainline - 34t Steel Requires Shimano 12-speed HG+ Chain BLK ModelNumber=D1489 6L) dimensions - weight -

6L) dimensions - weight - color black

Removable valve core makes adding sealant easy

} 3mm thick CNC machined 7075-T6 aluminum

A custom radial seal protects three fully sealed cartridge bearings for low-friction riding in all conditions

RaceFace Bosch G4 Direct Mount Hyperglide+ eMTB Chainring 55mm Chainline - 34t Steel Requires Shimano 12-speed HG+ Chain BLK ModelNumber=D1489 6L) dimensions - weight -RaceFace Bosch G4 Direct Mount Hyperglide+ eMTB Chainring (55mm Chainline) 34t Steel Requires Shimano 12 speed HG+ Chain Black. The RaceFace Bosch Gen4 Hyperglide+ steel chainring mounts directly to Bosch Gen 4 Performance Line CX E bike motors offering a minimalist look and long wearing performance. Only compatible with Hyperglide + chains and Bosch Gen 4 Performance Line CX motor Designed for use with 12 speed Shimano drivetrains Narrow Wide tooth