e*thirteen Helix Race Carbon e*spec Crankset - 165mm BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset BLK CheckoutTitle=Formula Compression Tuning System Valve The 25 mm wide aluminum

The 25 mm wide aluminum rim offers modern tires the support needed to ride low air pressure in order to minimize rolling resistance

}Surly Cross Check 1 1/8" Fork with Mid Eyelets with Threaded Bosses

Analog wireless computer

} 14mm hardened Max-Performance steel shackle resists cutting and leverage attacks

e*thirteen Helix Race Carbon e*spec Crankset - 165mm BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset BLK CheckoutTitle=Formula Compression Tuning System Valve The 25 mm wide aluminume*thirteen Helix Race Carbon e*spec Crankset 165mm BOSCH SX Brose S Mag TQ HPR50 21. 5mm Offset 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.