Promax SL-1 Stem Lock Color:Blue Weight: 14oz/397g

Weight: 14oz/397g

These shims ensure that the outboard sealed bearings come in contact with the inner aluminum tube spacer

And with 10mm of bearing surface contact with the shell

The knurled pattern provides a comfortable and efficient grip while maintaining a super-narrow racing profile and the Lock-On Grip System means you get zero slippage

center spacers

Promax SL-1 Stem Lock Color:Blue Weight: 14oz/397gThe 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