The Promax SL-1 Stem Lock features cold-forged and fully CNC machined 7075 aluminum alloy. Designed for adjusting your headset and keeping the fork in place…even during a catastrophic failure of the stem or fork steer tube.

SPECS:
FIT: Available in 1″ (for 1″ forks) or 1-1/8″ (for 1-1/8″ forks)
MATERIAL: 7075 CNC machined aluminum
LENGTH: Will expand to fit any fork steer tube length

Weight:
1″: 2.1oz/60g
1-1/8″: 2.55oz/72g