Industry Nine A318 Stem - 50mm 31.8mm Clamp +/-4.4 1 1/8" Aluminum Blue MFPN=11.4018.103.022 } Lightweight and durable 6000

} Lightweight and durable 6000 series forged aluminum body for Trail or DH use

Features a steel air chamber

Five colors: Black

step-by-step instructions

All-over printed fabric for style

Industry Nine A318 Stem - 50mm 31.8mm Clamp +/-4.4 1 1/8" Aluminum Blue MFPN=11.4018.103.022 } Lightweight and durable 6000Industry Nine A318 Stem 50mm 31. 8mm Clamp + 4. 4 1 1 8" Aluminum Blue. Industry Nines 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. The A35 and A318 utilize either a 35mm or 31. 8mm