QO Race Aero 12 Speed Chainring

Race Chainring Outer

QO RACE Aero Outer Chainrings are built for uncompromising road performance. Precision-machined from 7075 T6 alloy and engineered for maximum stiffness, these rings deliver instant power transfer with minimal flex—perfect for high-cadence efforts, explosive sprints, and smooth, consistent speed.

The aero-profiled design reduces drag while maintaining sharp shifting and responsiveness under load. Paired with the QO RACE crankset and 110x4 spider, it's the outer ring of choice for riders who want every watt to count.

Features

• 7075 T6 CNC-machined alloy construction
• Aero-profiled outer ring design
• Enhanced stiffness for powerful pedaling and high-speed efficiency
• Compatible with QO RACE Spider (110x4 BCD)
• Available in 50T, 52T and 54T

Specifications

• 2x drivetrain optimized
• Hard-anodized finish for long-term durability
• Bolt circle diameter: 110mm x 4-bolt
• Weight: 146g (52T)

Race Chainring Inner

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

Specifications

• 2x drivetrain optimized
• Bolt circle diameter: 110mm x 4-bolt
• Weight: 39g (36T)

Pairing guide

• 50-34
• 52-36
• 54-40

Not compatible with:
- Shimano cranks
- SRM spider power meter