Stay Strong MOTION 7075 4 Bolt Chainrings are CNC machined from 7075 alloy. Material: Fully CNC machined 7075 Alloy, 4mm thick, 4 Bolt design, Laser etched Stay Strong logos, CNC'd bolt recess.

Product Specs

1. TYPE: Bolt Drive
2. MATERIAL: Alloy
3. WEIGHT: 78g