Oval Concepts R700 Stem 80mm Road MTB 1-1/8" 31.8 OS 84 Degree Black 140g Style: Road, cross, triathlon, TT and light MTB riding Length: 80mm, Bar Clamp: 31.8mm inward bolt design for reduced bar stress, Steer: 1-1/8" Threadless Design: Internal oval design provides strength, stiffness and weight savings Material: 7050 forged alloy, Color: Glossy black Weight: 140g for the 80mm length