130BCD Chainring – CNC Machined 7075-T6 Aluminum Narrow-Wide 50T black
USD 32.49 USD
Specifications
| Brand | Unbranded |
| Size | 50T |
| Color | Black |
| Part Type | Chainring |
①【 Aerospace-Grade Material & Precision Engineering】✓ 7075-T6 Aluminum Alloy (572MPa tensile strength, 30% stronger than 6061 aluminum) for unmatched durability. ✓ Military-Grade Hard Anodization (HV800 surface hardness, 3x wear resistance) to resist corrosion and scratches.