Full Speed Ahead ACR Black Aluminum Bicycle Stem 90mm 31.8mm, Aerodynamic Design M666 SLX Upgrade your mountain bike's rear

Upgrade your mountain bike's rear suspension with the RockShox Rear Shock Mounting Hardware - engineered for durability

The double X Bridge construction enhances shifting speed and accuracy

Available in a striking red finish

and safety-critical applications

- Micro-textured zones enhance grip support and control

Full Speed Ahead ACR Black Aluminum Bicycle Stem 90mm 31.8mm, Aerodynamic Design M666 SLX Upgrade your mountain bike's rearFSA 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 Compact, Energy ACR Compact, K Wing AGX and K Wing AGX