'' Light enough for the road but strong enough for the mountain''. Bontrager's forged 7050-T6 aluminum alloy Race X Lite stem features a flip-flop 17 degree rise & 31.8 clamp to help make it a study in lightweight versatility. The quality of materials used makes this stem light enough to satisfy road racers and strong enough for trail riders & XC mountain bike racers to rely on with complete confidence.A 4-bolt face plate helps distribute clamping load on ultra-lightweight handlebars, the angled steerer tube clamp spreads clamping zone out on steerer & is carbon friendly. Opposing dual steerer clamp bolts are strategically positioned near the center of the clamp, evenly distributing clamping forces.