YBEKI 130BCD Narrow-Wide Chainring | CNC 7075-T6 Aluminium (38-60T) | UKCA Certified | Shimano 105/Ultegra & SRAM Force Compatible | 45% Lighter vs Steel | 8-12 Speed Road/Gravel/CX Bikes(black, 42T)
①【 Aerospace-Grade Material & Precision Engineering】✓ 7075-T6 Aluminum Alloy (572MPa tensile strength, 30% stronger than 6061 aluminum) for unmatched durability.✓ 5-Axis CNC Machining with ±0.01mm tooth tolerance (ISO 13041 certified) for precise chain engagement.✓ Military-Grade Hard Anodization (HV800 surface hardness, 3x wear resistance) to resist corrosion and scratches. ✓ Compatibility: 8-12 Speed Road Bike 130BCD Chainring
②【 Advanced Anti-Drop Chain Retention System】✓ Alternating Narrow-Wide Tooth Profile (7.3mm wide / 6.8mm narrow teeth) perfectly matches 8-11 speed chain pitches.✓ Dynamic Chamfer Technology enables 45% faster chain engagement, tested to reduce chain drops by 92% on rough terrain.✓ Extended Tooth Tips enhance stability, ideal for high-impact MTB rides and aggressive road cycling.
③【 Ultra-Lightweight & High-Stiffness Design】▸ 3D Hollow Structure cuts weight by 63% compared to steel, achieving a featherlight profile without compromising strength.▸ Asymme
- Quantity available :1
- Marque : YBEKI
- Fabricant : YBEKI
- Couleur : Black
- Taille : 42T
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