31.8 Threadless Alloy Stem

Dimension 31.8 Stems are fully forged 6061-T6 aluminum stems that have a 4-bolt handlebar clamp.

  • 31.8mm can be used with 26.0 bars with additional shim (SM5317)
  • Dimension stems are not intended for use with carbon handlebars or carbon steerer tubes
31.8 Threadless Alloy Stem - 9398
QBP # Description Bar Clamp Diameter (mm) Color Material Length Stem Angle (deg) S.H.I.S. Stem Clamp Diameter Stack Height Weight  
SM2985 Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, +/- 7 Degree, Alloy, Black 31.8 Black Alloy 110mm +7 28.6 41 170g SM2985 - Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, +/- 7 Degree, Alloy, Black
SM2963 Dimension 31.8 Threadless Alloy Stem - 100mm, 31.8mm, +/- 17 Degree, Alloy, Silver 31.8 Silver Alloy 100mm +17 28.6 41 160g SM2963 - Dimension 31.8 Threadless Alloy Stem - 100mm, 31.8mm, +/- 17 Degree, Alloy, Silver
SM2941 Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 17 Degree, Alloy, Black 31.8 Black Alloy 80mm +17 28.6 41 140g SM2941 - Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 17 Degree, Alloy, Black
SM6634 Dimension 31.8 Threadless Alloy Stem - 100mm, 31.8mm, +/- 7 Degree, Alloy, Silver 31.8 Silver Alloy 100mm +7 28.6 41 160g SM6634 - Dimension 31.8 Threadless Alloy Stem - 100mm, 31.8mm, +/- 7 Degree, Alloy, Silver
SM2984 Dimension 31.8 Threadless Alloy Stem - 100mm, 31.8mm, +/- 7 Degree, Alloy, Black 31.8 Black Alloy 100mm +7 28.6 41 160g SM2984 - Dimension 31.8 Threadless Alloy Stem - 100mm, 31.8mm, +/- 7 Degree, Alloy, Black
SM2962 Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, +/- 17 Degree, Alloy, Silver 31.8 Silver Alloy 90mm +17 28.6 41 145g SM2962 - Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, +/- 17 Degree, Alloy, Silver
SM2940 Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, +/- 17 Degree, Alloy, Black 31.8 Black Alloy 70mm +17 28.6 41 137g SM2940 - Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, +/- 17 Degree, Alloy, Black
SM6633 Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, +/- 7 Degree, Alloy, Silver 31.8 Silver Alloy 90mm +7 28.6 41 145g SM6633 - Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, +/- 7 Degree, Alloy, Silver
SM2983 Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, +/- 7 Degree, Alloy, Black 31.8 Black Alloy 90mm +7 28.6 41 145g SM2983 - Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, +/- 7 Degree, Alloy, Black
SM2961 Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 17 Degree, Alloy, Silver 31.8 Silver Alloy 80mm +17 28.6 41 140g SM2961 - Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 17 Degree, Alloy, Silver SM2961 - Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 17 Degree, Alloy, Silver
SM2912 Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, 35 Degree, Alloy, Black 31.8 Black Alloy 110mm 35 28.6 41 177g SM2912 - Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, 35 Degree, Alloy, Black
SM6632 Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 7 Degree, Alloy, Silver 31.8 Silver Alloy 80mm +7 28.6 41 140g SM6632 - Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 7 Degree, Alloy, Silver
SM2982 Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 7 Degree, Alloy, Black 31.8 Black Alloy 80mm +7 28.6 41 140g SM2982 - Dimension 31.8 Threadless Alloy Stem - 80mm, 31.8mm, +/- 7 Degree, Alloy, Black
SM2960 Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, +/- 17 Degree, Alloy, Silver 31.8 Silver Alloy 70mm +17 28.6 41 137g SM2960 - Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, +/- 17 Degree, Alloy, Silver
SM2911 Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, 35 Degree, Alloy, Black 31.8 Black Alloy 90mm 35 28.6 41 150g SM2911 - Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, 35 Degree, Alloy, Black
SM6631 Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, +/- 7 Degree, Alloy, Silver 31.8 Silver Alloy 70mm +7 28.6 41 137g SM6631 - Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, +/- 7 Degree, Alloy, Silver
SM2981 Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, +/- 7 Degree, Alloy, Black 31.8 Black Alloy 70mm +7 28.6 41 137g SM2981 - Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, +/- 7 Degree, Alloy, Black
SM2945 Dimension 31.8 Threadless Alloy Stem - 120mm, 31.8mm, +/- 17 Degree, Alloy, Black 31.8 Black Alloy 120mm +17 28.6 41 177g SM2945 - Dimension 31.8 Threadless Alloy Stem - 120mm, 31.8mm, +/- 17 Degree, Alloy, Black
SM2910 Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, 35 Degree, Alloy, Black 31.8 Black Alloy 70mm 35 28.6 41 137g SM2910 - Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, 35 Degree, Alloy, Black
SM6630 Dimension 31.8 Threadless Alloy Stem - 60mm, 31.8mm, +/- 7 Degree, Alloy, Silver 31.8 Silver Alloy 60mm +7 28.6 41 130g SM6630 - Dimension 31.8 Threadless Alloy Stem - 60mm, 31.8mm, +/- 7 Degree, Alloy, Silver
SM2980 Dimension 31.8 Threadless Alloy Stem - 60mm, 31.8mm, +/- 7 Degree, Alloy, Black 31.8 Black Alloy 60mm +7 28.6 41 130g SM2980 - Dimension 31.8 Threadless Alloy Stem - 60mm, 31.8mm, +/- 7 Degree, Alloy, Black
SM2944 Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, +/- 17 Degree, Alloy, Black 31.8 Black Alloy 110mm +17 28.6 41 170g SM2944 - Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, +/- 17 Degree, Alloy, Black
SM2909 Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, 35 Degree, Alloy, Silver 31.8 Silver Alloy 110mm 35 28.6 41 177g SM2909 - Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, 35 Degree, Alloy, Silver
SM2987 Dimension 31.8 Threadless Alloy Stem - 130mm, 31.8mm, +/- 7 Degree, Alloy, Black 31.8 Black Alloy 130mm +7 28.6 41 180g SM2987 - Dimension 31.8 Threadless Alloy Stem - 130mm, 31.8mm, +/- 7 Degree, Alloy, Black
SM2965 Dimension 31.8 Threadless Alloy Stem - 120mm, 31.8mm, +/- 17 Degree, Alloy, Silver 31.8 Silver Alloy 120mm +17 28.6 41 177g SM2965 - Dimension 31.8 Threadless Alloy Stem - 120mm, 31.8mm, +/- 17 Degree, Alloy, Silver
SM2943 Dimension 31.8 Threadless Alloy Stem - 100mm, 31.8mm, +/- 17 Degree, Alloy, Black 31.8 Black Alloy 100mm +17 28.6 41 160g SM2943 - Dimension 31.8 Threadless Alloy Stem - 100mm, 31.8mm, +/- 17 Degree, Alloy, Black
SM2908 Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, 35 Degree, Alloy, Silver 31.8 Silver Alloy 90mm 35 28.6 41 150g SM2908 - Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, 35 Degree, Alloy, Silver
SM2986 Dimension 31.8 Threadless Alloy Stem - 120mm, 31.8mm, +/- 7 Degree, Alloy, Black 31.8 Black Alloy 120mm +7 28.6 41 170g SM2986 - Dimension 31.8 Threadless Alloy Stem - 120mm, 31.8mm, +/- 7 Degree, Alloy, Black
SM2964 Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, +/- 17 Degree, Alloy, Silver 31.8 Silver Alloy 110mm +17 28.6 41 170g SM2964 - Dimension 31.8 Threadless Alloy Stem - 110mm, 31.8mm, +/- 17 Degree, Alloy, Silver
SM2942 Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, +/- 17 Degree, Alloy, Black 31.8 Black Alloy 90mm +17 28.6 41 145g SM2942 - Dimension 31.8 Threadless Alloy Stem - 90mm, 31.8mm, +/- 17 Degree, Alloy, Black
SM2907 Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, 35 Degree, Alloy, Silver 31.8 Silver Alloy 70mm 35 28.6 41 137g SM2907 - Dimension 31.8 Threadless Alloy Stem - 70mm, 31.8mm, 35 Degree, Alloy, Silver