e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 165mm, with Self Extractor, Black Rim Brakes Manufacturer Part Number: G3X12148S28SNNX-XRAA

Manufacturer Part Number: G3X12148S28SNNX-XRAA

Manufacturer Part Number: M178-01-AG

All other castle tools are replaced by this new Super Castle

155599-Q0-L

177383-Q0-L

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 165mm, with Self Extractor, Black Rim Brakes Manufacturer Part Number: G3X12148S28SNNX-XRAAA high performance, weight optimized alternative to carbon fiber, for riders who prefer alloy cranks. These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, and Specialized Brose motor systems. They come in short lengths starting at 155mm for improved pedal clearance and are tested to E Enduro standards. Product Specifics Color: Black Crank Length (mm): 165 Pedal Spindle: 9 16"