e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH Gen4-Brose S Mag-TQ HPR50 26.5mm Offset 165mm Self Extractor BLK CheckoutTitle=Cane Creek ZN40-Bearing 52mm 45 x 45 Zinc }SRAM Spindle Spacer Kit for

}SRAM Spindle Spacer Kit for BB30 Cranks with BB386 Frames

The M3 dual width tooth profile eliminates chain noise and decreases overall system wear

} Made from 6061 alloy

Lightweight two-piece design

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH Gen4-Brose S Mag-TQ HPR50 26.5mm Offset 165mm Self Extractor BLK CheckoutTitle=Cane Creek ZN40-Bearing 52mm 45 x 45 Zinc }SRAM Spindle Spacer Kit forHelix R e*spec AL Crank Arm Set 165mm BOSCH Gen4 Brose S Mag TQ HPR50 with Self Extractor Bronze. 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 clearance and are tested to E