New for 2010, the Respond stem is part of the new Respond DH/AM group - designed for riders wanting big hit performance at All Mountain weights. The Respond stem is engineered to offer an optimal combination of strength, stiffness, and weight at an attractive price point. Forged & blasted 6061 aluminum for high strength & fatigue resistance at a reasonable weight. Four bolt bar clamp holds bar securely in position. Interlocking U-Shaped Handlebar Clamp Geometry transferring more load through the stem body and not the bolts. Faceplate eliminates 'stress risers' which could cause your bar to bend or break. SIZE: 45mm. STEERER: 1 1/8". RISE: 10º.