31.8 Threadless Alloy Stems

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 Stems - 9398
QBP # Description Bar Clamp Diameter (mm) Color Length Stem Angle (deg) S.H.I.S. Stem Clamp Diameter Stack Height Weight  
SM2987 DMN 31.8 130mm 83/97d Black 1-1/8" Threadless Stem 31.8 Black 130mm +7 28.6 41 180g SM2987 - DMN 31.8 130mm 83/97d Black 1-1/8
SM2965 Dimension 31.8 x 17 degree 120mm Silver 1-1/8" Threadless Stem 31.8 Silver 120mm +17 28.6 41 177g SM2965 - Dimension 31.8 x 17 degree 120mm Silver 1-1/8
SM2943 Dimension 31.8 x 17 degree 100mm Black 1-1/8" Threadless Stem 31.8 Black 100mm +17 28.6 41 160g SM2943 - Dimension 31.8 x 17 degree 100mm Black 1-1/8
SM2908 Dimension 31.8 x 35 degree 90mm Silver 1-1/8" Threadless Stem 31.8 Silver 90mm +35 28.6 41 150g SM2908 - Dimension 31.8 x 35 degree 90mm Silver 1-1/8
SM2986 DMN 31.8 120mm 83/97d Black 1-1/8" Threadless Stem 31.8 Black 120mm +7 28.6 41 170g SM2986 - DMN 31.8 120mm 83/97d Black 1-1/8
SM2964 Dimension 31.8 x 17 degree 110mm Silver 1-1/8" Threadless Stem 31.8 Silver 110mm +17 28.6 41 170g SM2964 - Dimension 31.8 x 17 degree 110mm Silver 1-1/8
SM2942 Dimension 31.8 x 17 degree 90mm Black 1-1/8" Threadless Stem 31.8 Black 90mm +17 28.6 41 145g SM2942 - Dimension 31.8 x 17 degree 90mm Black 1-1/8
SM2907 Dimension 31.8 x 35 degree 70mm Silver 1-1/8" Threadless Stem 31.8 Silver 70mm +35 28.6 41 137g SM2907 - Dimension 31.8 x 35 degree 70mm Silver 1-1/8
SM2985 DMN 31.8 110mm 83/97d Black 1-1/8" Threadless Stem 31.8 Black 110mm +7 28.6 41 170g SM2985 - DMN 31.8 110mm 83/97d Black 1-1/8
SM2963 Dimension 31.8 x 17 degree 100mm Silver 1-1/8" Threadless Stem 31.8 Silver 100mm +17 28.6 41 160g SM2963 - Dimension 31.8 x 17 degree 100mm Silver 1-1/8
SM2941 Dimension 31.8 x 17 degree 80mm Black 1-1/8" Threadless Stem 31.8 Black 80mm +17 28.6 41 140g SM2941 - Dimension 31.8 x 17 degree 80mm Black 1-1/8
SM6634 DMN 31.8 100mm 83/97d Silver 1-1/8" Threadless Stem 31.8 Silver 100mm +7 28.6 160g SM6634 - DMN 31.8 100mm 83/97d Silver 1-1/8
SM2984 DMN 31.8 100mm 83/97d Black 1-1/8" Threadless Stem 31.8 Black 100mm +7 28.6 41 160g SM2984 - DMN 31.8 100mm 83/97d Black 1-1/8
SM2962 Dimension 31.8 x 17 degree 90mm Silver 1-1/8" Threadless Stem 31.8 Silver 90mm +17 28.6 41 145g SM2962 - Dimension 31.8 x 17 degree 90mm Silver 1-1/8
SM2940 Dimension 31.8 x 17 degree 70mm Black 1-1/8" Threadless Stem 31.8 Black 70mm +17 28.6 41 137g SM2940 - Dimension 31.8 x 17 degree 70mm Black 1-1/8
SM6633 Dimension 31.8 x 7 degree 90mm Silver 1-1/8" Threadless Stem 31.8 Silver 90mm +7 28.6 145g SM6633 - Dimension 31.8 x 7 degree 90mm Silver 1-1/8
SM2983 DMN 31.8 90mm 83/97d Black 1-1/8" Threadless Stem 31.8 Black 90mm +7 28.6 41 145g SM2983 - DMN 31.8 90mm 83/97d Black 1-1/8
SM2961 Dimension 31.8 x 17 degree 80mm Silver 1-1/8" Threadless Stem 31.8 Silver 80mm +17 28.6 41 140g SM2961 - Dimension 31.8 x 17 degree 80mm Silver 1-1/8 SM2961 - Dimension 31.8 x 17 degree 80mm Silver 1-1/8
SM2912 Dimension 31.8 x 35 degree 110mm Black 1-1/8" Threadless Stem 31.8 Black 110mm +35 28.6 41 177g SM2912 - Dimension 31.8 x 35 degree 110mm Black 1-1/8
SM6632 Dimension 31.8 x 7 degree 80mm Silver 1-1/8" Threadless Stem 31.8 Silver 80mm +7 28.6 140g SM6632 - Dimension 31.8 x 7 degree 80mm Silver 1-1/8
SM2982 DMN 31.8 80mm 83/97d Black 1-1/8" Threadless Stem 31.8 Black 80mm +7 28.6 41 140g SM2982 - DMN 31.8 80mm 83/97d Black 1-1/8
SM2960 Dimension 31.8 x 17 degree 70mm Silver 1-1/8" Threadless Stem 31.8 Silver 70mm +17 28.6 41 137g SM2960 - Dimension 31.8 x 17 degree 70mm Silver 1-1/8
SM2911 Dimension 31.8 x 35 degree 90mm Black 1-1/8" Threadless Stem 31.8 Black 90mm +35 28.6 41 150g SM2911 - Dimension 31.8 x 35 degree 90mm Black 1-1/8
SM6631 Dimension 31.8 x 7 degree 70mm Silver 1-1/8" Threadless Stem 31.8 Silver 70mm +7 28.6 137g SM6631 - Dimension 31.8 x 7 degree 70mm Silver 1-1/8
SM2981 DMN 31.8 70mm 83/97d Black 1-1/8" Threadless Stem 31.8 Black 70mm +7 28.6 41 137g SM2981 - DMN 31.8 70mm 83/97d Black 1-1/8
SM2945 Dimension 31.8 x 17 degree 120mm Black 1-1/8" Threadless Stem 31.8 Black 120mm +17 28.6 41 177g SM2945 - Dimension 31.8 x 17 degree 120mm Black 1-1/8
SM2910 Dimension 31.8 x 35 degree 70mm Black 1-1/8" Threadless Stem 31.8 Black 70mm +35 28.6 41 137g SM2910 - Dimension 31.8 x 35 degree 70mm Black 1-1/8
SM6630 Dimension 31.8 x 7 degree 60mm Silver 1-1/8" Threadless Stem 31.8 Silver 60mm +7 28.6 130g SM6630 - Dimension 31.8 x 7 degree 60mm Silver 1-1/8
SM2980 DMN 31.8 60mm 83/97d Black 1-1/8" Threadless Stem 31.8 Black 60mm +7 28.6 41 130g SM2980 - DMN 31.8 60mm 83/97d Black 1-1/8
SM2944 Dimension 31.8 x 17 degree 110mm Black 1-1/8" Threadless Stem 31.8 Black 110mm +17 28.6 41 170g SM2944 - Dimension 31.8 x 17 degree 110mm Black 1-1/8
SM2909 Dimension 31.8 x 35 degree 110mm Silver 1-1/8" Threadless Stem 31.8 Silver 110mm +35 28.6 41 177g SM2909 - Dimension 31.8 x 35 degree 110mm Silver 1-1/8