Mountain Stems

Industry Nine’s A-Series mountain bike stems are crafted from domestically-sourced 7075 aluminum billet into a svelte design achieving a nexus of form and function. Using advanced manufacturing techniques honed over decades in our CNC machine shop, we continue our proud tradition of offering riders uncompromising components.
31.8 35
Length Weight Rise Degree Stack Length Weight Rise Degree Stack
30mm 127g +/- 4.4mm 40mm 32mm 128g +/- 5mm 42mm
40mm 136g +/- 4.4mm 40mm 40mm 135g +/- 6mm 40mm
50mm 155g +/- 4.4mm 40mm 50mm 150g +/- 6mm 40mm

10 products