Titanium Alloy Crank Bolt Locking Screw with Bike Crank Arm Cap Fixing Crank Screw Bike Cranket Fixing Bolt Compatible with SRAM NX-GX-XX1-EAGLE. Features: Compatibility, Titanium Material, Anodized Finish, High Hardness, CNC Precision. Specification: Origin Mainland China, Main Material Titanium Alloy/Stainless Steel, Style Screw + Cap, Color Multicolor, Cap Size 30mm (1.18in)*30mm (1.18in)*6.3mm (0.25in), Net Weight 7.2g For The Cover.