Campagnolo
✓Price
$81.99
YBEKI 7075-T6 Aluminum Narrow-Wide Chainring 40T/42T/44T/46T/48T/50T/52T–104BCD CNC Machined MTB/Road Bike Chainwheel | Ultra-Lightweight & Anti-Drop Design | Compatible with Shimano/SRAM 8-11 Speed
★★★★★
$81.99
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1
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About this item
- 1. 【Aerospace-Grade 7075-T6 Aluminum Alloy】30% Stronger Than 6061 – CNC-machined from 7075-T6 aluminum (572MPa tensile strength) for extreme durability. Military-Grade Hard Anodization – HV800 surface hardness resists wear 3x longer than standard chainrings. Precision 5-Axis CNC Machining – ±0.01mm tooth tolerance (ISO 13041 certified). Compatibility: Compatible with 104BCD Single Bike Chainring Shimano/SRAM 8-11 Speed MTB/Road Bikes
- 2. 【Advanced Anti-Drop Chain Retention】Narrow-Wide Tooth Profile – Alternating 7.3mm/6.8mm teeth securely grip 8-11 speed chains, reducing drops by 92%. Dynamic Chamfer Technology – 45% faster chain engagement for responsive pedaling on rough terrain. Extended Tooth Tips – Enhanced stability for aggressive MTB/road cycling.
- 3. 【Ultra-Lightweight & High-Stiffness Design】3D Hollow Structure – 63% lighter than steel, with asymmetric ribs for 155Nm/deg lateral stiffness. Optimized Power Transfer – 98.7% efficiency for climbing and sprinting.1kg Total Weight Reduction – Boosts bike agility without sacrificing strength.
- 4. 【Pro-Level Performance Features】Mirror-Polished Teeth – 0.09μ ultra-low friction minimizes energy loss. Self-Cleaning Grooves – Reduces mud buildup by 70% in wet/dirty conditions. Dual Anodized Finishes – Matte red (ceramic-coated) (UV-resistant) for lasting color.
- 5.【British Rider Guarantee】24-month promise - free replacement in the event of oxidation or non-human damage (industry-leading), Next-day replacement from Leeds warehouse, UK-based tech support (Mon-Fri 9am-9pm)
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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