A forged aluminum crown and 34mm carbon legs give the Rock Solid its sharp tracking characteristics while balancing stiffness and weight.Features:34mm carbon legs Forged alloy crown and dropouts Disc only with 160mm post mounts Max rotor size 185mmSpecifications:Defined Color: Black Wheel Size: 26 Color: Black Weight: 725 Front Axle: 15mm Thru x 100mm Material: Carbon Front Axle Type: 15mm Thru Front Hub Spacing (mm): 100Brake Type: Disc S.H.I.S. Stem Clamp Diameter: 28.6 Offset: 42 Defined Color List: Black Steerer Type: Tapered Wheel Mount Center Offset (mm): 0 Steerer Tube Length (mm): 250 Axle to Crown Length: 490 Crown Race: 39.7 Brake Mount (Fork): Post Mount 160 Maximum Tire Clearance (Fork): 3.0