Pro-Grade 104BCD Oval Chainring 30T-52T CNC Machined 7075-T6 Aluminum Narrow-Wide MTB Road Bike Chainwheel For Shimano SRAM 8-11 Speed Compatibility Black Rock Solid
✔️ 104BCD oval chainring with 7075-T6 alloy, CNC precision, anti-drop
This pro-grade oval chainring is engineered for 104BCD cranksets, fitting Shimano/SRAM 8-11 speed bikes for MTB and road use, delivering solid chain retention and smooth power transfer.
✅ 572MPa tensile strength (30% stronger than 6061)
✅ 5-Axs CNC Machined - ±0.01mm tooth tolerance (ISO 13041 certified)
✅ HV800 hard anodization - 3x wear resistance
✅ Compatible with 104BCD Shimano/SRAM 8-11 Speed MTB/Road
✅ DynamicChain 3.0 anti-drop system with alternating 7.3mm wide / 6.8mm narrow teeth
✅ 45% faster chain engagement, tested to reduce chain drops by 92% on rough terrain
✅ Extended Tooth Tips enhance stability for high-impact MTB rides and aggressive road cycling
✅ 3D Hollow structure reduces weight by 63%, 155Nm/deg lateral stiffness
✅ 1kg Total Weight Reduction for your bike
✅ Mirror-polished teeth (0.09μ ultra-low friction coefficient)
✅ Self-Cleaning grooves reduce mud accumulation by 70%
✅ Dual anodized finishes (Matte Black/Ceramic Coated, Electric Blue&Racing Red/UV-Resistant Nano-Dye)
✅ 12-Month "Zero Rust" Promise - Free replacement if oxidation occurs, 24/7 Expert Support - US-based mechanics answer questions within 24 hours
✅ Color: Black Round 34T
💡 What is a 104BCD oval chainring used for in mountain biking? A handy overview for riders evaluating chainring options.
- 104BCD is a standard bolt circle diameter compatible with many cranksets - oval narrow-wide design improves chain retention on rough trails - CNC-machined 7075-T6 aluminum provides strength with light weight