★ Material: Scandium alloy T-7451 ★ Length: 600mm / 710mm for 29er ★ Diameter: 25.4/31.8mm (600mm) ★ Diameter: 31.8 only for 710mm 29er ★ Rise: 0 degree ★ Backsweep: 8 or 10 degrees. ★ Sand blasted& anodized finish.