e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK ModelNumber=D1125 6 Stanchion Diameter 38 Steerer

6 Stanchion Diameter 38 Steerer Tube Length (mm) 264 Steerer Type Tapered Travel (mm) 180 Wheel Size 27

Select profile and assist modes on display

Crafted from EA70 alloy

Rear Derailleur Mount Type 10x1 Standard Rear Der/Shifter Compatibility Shimano Road Cage Length Short Drivetrain Speeds 9 Color Black Chain Wrap Capacity (teeth) 37 Largest Cog 32

Push design to easily control CO2 release

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK ModelNumber=D1125 6 Stanchion Diameter 38 Steerere*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH SX Brose S Mag TQ HPR50 21. 5mm Offset 165mm with Self Extractor Black. A 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