①【Aerospace-Grade Construction】✓ 7075-T6 Aluminum Alloy - 30% stronger than standard 6061 with 572MPa tensile strength, ✓ 5-Axis CNC Machined - ±0.02mm precision for perfect chain alignment, ✓ Hard Anodized Finish - HV800 surface hardness resists scratches and corrosion, ✓ Direct Mount Compatibility: SRAM GXP, XX1, X01, NX, GX, X1 cranksets ②【Eagle Tooth Chain Retention】✓ Narrow-Wide Alternating Profile - 7.3mm/6.8mm teeth prevent chain drops (92% reduction), ✓ Extended Tooth Design - Improves chain engagement during technical climbs, ✓ Mud-Shedding Channels - 50% faster debris clearance vs conventional chainrings ③【Weight-Optimized Performance】▸ 3D Hollow Structure - Only 60g (30T) to 80g (38T), ▸ T6 Heat Treatment - Increases fatigue resistance by 40%▸ Proven Durability: 50,000+ pedal stroke lifespan, Maintains shifting precision after 15,000km ④【Pro Installation Ready】✓ Dual Offset Options - 3mm or 6mm chainline adjustment, ✓ Laser-Engraved Markings - Clear tooth count/offset indicators, ✓ Torque, Spec: 12-14Nm ⑤【Unmatched Warranty】 ▸ 1-Year Guarantee - 12-month “Zero Rust” promise - free replacement in the event of oxidation or non-human damage, 24/7 expert support - U.S. mechanics to answer questions within 24 hours, Quick Replacement: replacement of defective parts within 48 hours Please carefully check the size of the Bicycle Chainring you need before ordering, so that you can order the correct Bicycle Chainring.