QO RACE Inner Chainrings are designed for smooth, reliable shifting and maximum power transfer. Precision-machined from 7075 T6 alloy, they’re built to withstand the demands of high-speed road racing, fast climbs, and full-gas intervals.
The tooth profile is optimized for 2x drivetrains, ensuring crisp front shifts even under load.
Features: – 7075 T6 CNC-machined alloy construction – Optimized for fast, clean 2x shifting – Designed to pair with any QO RACE Outer chainring. – Compatible with QO RACE 110x4 BCD spiders. – Available in 34T, 36T and 40T
Tech Specs: – 2x drivetrain optimized – Bolt circle diameter: 110mm x 4-bolt – Weight: 39g (36T)
