Anvil Edge bead wall disperses impact across a broader flatter surface Optimized rim profiles for the front and rear rims. Front wheel depth is 18.6mm and rear wheel depth is 22.6mm. Asymmetric rim cross section and offset nipple bed allow for balanced spoke tension which improves wheel strength and durability. TECH SPECS Axle Type 12x148mm TA Freehub Body Shimano Micro Spline Hub Model Vault Hub Spacing 148mm Position Rear Rim Color Black Rim Construction Carbon Depth 22.6mm Rim Drilling 28 Rim External Width 37.2mm Rim Internal Width 30mm Rim Material Carbon Rim Model Era Skewers Included No Spoke Type Straight Pull Valve Presta Wheel-Brake Comp. Disc IS 6-bolt Wheel Diameter/ISO 27.5 / 584 Wheel Tire Type Tape and Valve installed Rim inner width range 28-34.9mm