QO RACE Aero Chainring Set is 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.

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 50(34), 52(36) and 54(40)
– Bolt circle diameter: 110mm x 4-bolt

What's included?
– Outer chainring
– Inner chainring
– 4x Bolts & nuts

Weight (Including bolts):
– 54(40) - 220g
– 52(36) - 194g
– 50(34) - 179g

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