ULTIMATE USE Vyce MTB StemThe Vyce MTB stem offers you a unique look with its patent pending single bolt design and a choice of shorter lengths, which combine well with modern mountain bike's geometries. Manufactured from aerospace-grade T6 aluminium that is heat strengthened and CNC machined to reduce weight, the Vyce is one of the stiffest and lightest stem on the market.Features: Material: CNC machined aerospace grade T6 aluminium Single bolt clamp design Bar Clamp Size: 31.8mm Weight (approx): 40mm: 88g; 50mm: 104g; 60mm: 120gBuy ULTIMATE USE Components from Chain Reaction Cycles, the World's Largest Online Bike Store.