The Box Two Top Load Stem is a modern 1-1/8 inch by 22.2mm stem designed specifically for BMX racing. Box Two Top Load stem bodies are cold-forged and CNC-machined from the highest quality 6061-T6 aluminum. The lightweight front clamps are cold-forged and CNC-machined for increased stiffness and strength.

• Cold-Forged and CNC Machined from 6061-T6 Aluminum Alloy
• Fits 1-1/8 Steerer Tubes
• 45 top loading design with a 22.2mm clamp for use with most BMX bars