Industry Nine A318 Stem - 40mm 31.8mm Clamp +/-4.4 1 1/8" Aluminum Blue Model=X 1900 Spline Rear Wheel } Full-width contact area that

} Full-width contact area that extends from the inner clamp right to the end of the bar

Smoother ride in rocky terrain

}Zipp Super-9 Hub Bearings - 1 Pair Front or Rear Wheel

Thread together design provides a faster installation and reduces the chances of misalignment that can lead to premature wear

Industry Nine A318 Stem - 40mm 31.8mm Clamp +/-4.4 1 1/8" Aluminum Blue Model=X 1900 Spline Rear Wheel } Full-width contact area thatIndustry Nine A318 Stem 40mm 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