FORK ECONO 20 MX 22.2x137x40mm CPHi-tensile steel construction. Caliper brake mount. 35mm rake. Item Specifications: Material, Hi-Tensile, Size, 20`, Color, Chrome, Brake Mount Type, Caliper, Steerer Type, Threaded, Steerer Size, 1` (7/8 ID), Type, MX, Race Diameter, 27mm, Axle, 3/8`, Steerer Length, 137mm, Rake, 35mm, Axle-to-Crown, 315mm, Thread Length, 40mm,.