Use ultralight high-strength AL7075 Aluminium Alloy with high quality CNC machined, light weight but high strength.
Material: 7075 aluminum alloy CNC; nylon
Spec: BSA mount / ISCG03 / ISCG-05
Range: round :32-40T / oval:32T-38T
Weight: BSA mount about 30g ISCG03/ISCG05 about 26g
Package: 1 pcs chain guide
