Promax SL-1 Stem Lock Color:Blue The knurled pattern provides a

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

The Onyx Front Helix Hub-20mm at J&R Bicycles are made of high-quality materials to provide the least resistance for the smoothest

Internal Rim Width: 12

Atlas makes sure this brace is strong yet still comfortable enough that your kiddo won't mind wearing it

Promax SL-1 Stem Lock Color:Blue The knurled pattern provides aThe 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