e*thirteen Helix e*spec Crank Arm Set - 165mm BOSCH Gen4-Brose S Mag-TQ HPR50 Self Extractor BLK MFPN=ZS56L-40-BLU Spoke Interface J-Bend Skewer Included

Spoke Interface J-Bend Skewer Included No Defined Color Black Rear Axle 12mm Thru x 148mm Color Black/Red Hub Drilling 32 Bearing Type Sealed Cartridge Hub/Brake Compatibility Center-Lock Disc Cassette Body Type SRAM XD 11/12 Speed

Direct mount forged then CNC machined 7075-T6 aluminum chainring

Cassette Body Type Single Cog Driver Color Hard Black Defined Color Black Hub/Brake Compatibility Rim Brake ISO Diameter 406 / 20" BMX Rear Axle 14mm Threaded x 110mm Rim Width (Internal) 32 Tire Type Clincher Valve Schrader Wheel Size 20"

}FOX 32mm Fork Lower Leg Seal Driver Tool

PowerLock chain connector features Flowlink technology to provide superior chain-guiding and increased longevity

e*thirteen Helix e*spec Crank Arm Set - 165mm BOSCH Gen4-Brose S Mag-TQ HPR50 Self Extractor BLK MFPN=ZS56L-40-BLU Spoke Interface J-Bend Skewer Includede*thirteen Helix e*spec Crank Arm Set 165mm BOSCH Gen4 Brose S Mag TQ HPR50 with Self Extractor Black. Helix Core cranks provide an e bike drivetrain upgrade with high end features and aesthetics at an exceptional value. Forged for e Enduro strength with alloy self extractor bolts pedal washers and molded impact boots. 24mm ISIS interface models are compatible with Bosch Gen 4 Brose S Mag TQ Fazua Yamaha Maxon and Specialized Brose motor systems.