e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor Silver MFPN=ST21-0DA20590-BK Freehub Body SRAM XD-R Rim MFPN=6460626 Tested to FL1 standards Length:125Mm 5310151

e*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH SX Brose S Mag TQ HPR50 21.5mm Offset 165mm Self Extractor Silver MFPN=ST21 0DA20590 BK Freehub Body SRAM XD R Rim MFPN=6460626 Tested to FL1 standards Length:125Mm 5310151 Freehub Body SRAM XD R Rim Internal Width 25mm Rim Material Carbon Wheel Tire Type Tubeless Ready Axle Type F: 12mm R: 12mm Depth 19mm Rim Color Black Spoke Type CX Ray Straight Pull Hub Model Solix SL Rim Construction Double wall Rim Model UL250c Wheel Brake Comp X Range gearing keeps cadence changes during a front shift to the minimum maximizing your ability to put power down on climbs descents and flats