The Race Face Trace hubs are aimed to bring big performance to the budget minded rider. With E-bike rated steel axles and 3 cassette body options, the Trace is sure to suit your needs. Features: Tough on trail and light on price, rated for everything from XC to Enduro and E-bike Steel axles, cartridge bearings, robust alloy hub shell, and steel cassette body 10-degree pawl engagement International Standard 6-bolt disc mount Specifications: Position: Rear Brake Type: Disc Brake (6-Bolt) Axle Type: Thru Axle Hub Spacing: 12 x 148mm (Boost) Drive Type (Rear Hub): Micro Spline or Shimano/SRAM Spoke Count: 32H Spoke Type: J-Bend Left Side Flange Diameter: - Right Side Flange Diameter: - Left Side Center to Flange: - Right Side Center to Flange: - Bearing Type: Sealed Cartridge Color: Black Weight: -