Full Speed Ahead V-Drive Stem - 70mm 31.8 Clamp +/-6 1 1/8" Alloy Black ModelNumber=33387 Studs and premium EVA foam

Studs and premium EVA foam on the inside for even more protection

AXS enabled for easy wireless setup monitoring personalization and reliability

Fits bottom bracket shell widths from 86

The Topeak JoeBlow Mountain II Floor Pump features a super-sized barrel that inflates mountain tires nearly 50% faster than normal floor pumps

Full Speed Ahead V-Drive Stem - 70mm 31.8 Clamp +/-6 1 1/8" Alloy Black ModelNumber=33387 Studs and premium EVA foamThe Full Speed Ahead V Drive Stem is 3D forged and crafted from CNC machined AL6061 T6 aluminum. 4 bolt cold forged alloy faceplate Chromoly hardware Bead blasted anodized black finish Stem Angle (deg) 6 Length 70 Bar Clamp Diameter (mm) 31. 8 Color Black Weight 139 Material Alloy Defined Color Black Stack Height 40 S. H. I. S. Stem Clamp Diameter 28. 6 Stem Angle + 6