New
Arrivals/Restock
YBEKI 104BCD Chainring - CNC 7075-T6 Aluminum Narrow-Wide Round Chainwheel for MTB/Road Bikes (32-52T) | Compatible with Shimano/SRAM 8-11 Speed | Ultra-Light | Anti-Drop Design (Black/Red)
4.5 (139 items)
Limited Time SaleUntil the end
09
27
06
US$14.39 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
See all stores
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used US$9.60
Product details
| Management number | 217809749 | Release Date | 2026/04/19 | List Price | US$9.60 | Model Number | 217809749 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 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 104BCD Single Bike Chainring Shimano/SRAM 8-11 Speed MTB/Road Bikes
- 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
| Size | 50T |
|---|---|
| Color | Black |
| Material | Aluminum |
| Brand Name | YBEKI |
| Model Name | Y56 |
| Item Weight | 0.09 Kilograms |
| Manufacturer | YBEKI |
| Package Weight | 0.09 Kilograms |
| Suggested Users | unisex-teen |
| Included Components | 3 |
| Warranty Description | One Year Warranty |
| Item Package Dimensions L x W x H | 9.8 x 7.8 x 0.87 inches |
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form