Two Sizes Handlebar diameter : 31.8mm (1-1/4") and 25.4mm(1",With Free Bar Shim), Steerer Tube diameter: 28.6mm (1-1/8"), Stack Height:40mm,Length: 110mm (center distance of the two holes),Rise:+/-10D
Universal short Bike handle bar stem suitable for Most Road Bike, Fixed Gear Bicycle, Mountain Bike, Downhill bike, Track bike, MTB, BMX, DH, etc.
Constructed of high-strength CNC machined 6061 aluminum alloy.
Easy installation, just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position
Package: MTB Stem 31.8 × 1, 31.8 to 25.4 Bicycle Handlebar Shim × 1