Full Speed Ahead NS ACR Stem - 120mm 31.8 Clamp -6 1 1/8" Alloy Black Model=E4 / RX4+ / RX4-SH / Mono M4 Disc Brake Pads It doesn’t clamp to the

It doesn’t clamp to the bike’s frame tubes

One of the single biggest improvements you can make to your fork

Adjustable leather strap provides a secure fit

Written by one of the world’s leading authorities on bicycle repair and maintenance Park Tool Director of Education Calvin Jones

Full Speed Ahead NS ACR Stem - 120mm 31.8 Clamp -6 1 1/8" Alloy Black Model=E4 / RX4+ / RX4-SH / Mono M4 Disc Brake Pads It doesn’t clamp to theFull Speed Ahead ACR Stem 120mm 31. 8 Clamp + 6 Black. FSA ACR (Aerodynamic Cable Routing) Stems have a low profile frontal area that is suitable for road and gravel riding. Aerodynamic Cable Routing (ACR) Low profile frontal area Body and faceplate crafted from 6061 T6 alloy with chromoly hardware Specific frame and headset required 31. 8mm handlebar clamp diameter 30mm fork clamp stack height Compatible with K Force Light ACR Compact SL K ACR