YBEKI 96 BCD Chainring CNC 7075-T6 Aluminum 30T-42T Narrow Wide Chainwheel | Mountain Bike Chainring for 8/9/10/11/12 Speed MTB/BMX | Anti-Drop Design & Ultra-Light

0 5 3 15

15 calificaciones

Size:

32T

Color:

black

Disponibilidad
En stock

Peso con empaque
0.20 kg

Devolución
No

Condición
Nuevo

Producto de
Amazon

Sobre este producto

①【Aerospace-Grade Construction】✓ 7075-T6 Aluminum Alloy - 572MPa tensile strength (30% stronger than 6061), ✓ 5-Axis CNC Machined - ±0.01mm tooth tolerance (ISO 13041 certified), ✓ Military-Grade Hard Anodization - HV800 surface hardness (3x wear resistance), ✓ Compatibility: Compatible with 96BCD Single Bike Chainring Shimano/SRAM 8-11 Speed MTB
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.▸ Asymmetric Reinforcement Ribs deliver 155Nm/deg lateral stiffness, ensuring power transfer efficiency up to 98.7%.▸ 1kg Total Weight Reduction for your bike, boosting climbing performance and overall agility.
④【Pro-Level Performance Features】✓ Mirror-Polished Teeth (0.09μ ultra-low friction coefficient) minimize energy loss during pedaling.✓ Self-Cleaning Grooves reduce mud accumulation by 70%, maintaining peak performance in wet or dirty conditions.✓ Dual Anodized Finishes (Matte Black/Ceramic Coated, Racing Red/UV-Resistant Nano-Dye) for style and long-lasting colorfastness.
⑤【Lifetime Durability Guarantee】12-Month "Zero Rust" Promise – Free replacement if oxidation occurs, 24/7 Expert Support – US-based mechanics answer questions within 24 hours, Fast Replacement: Defective parts replaced within 48 hours

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