Product Condition: The Qarbon Aero Outer Q-Ring – Shimano is in Fair condition. Was previously owned for approximately 1 month. Outer Q-ring has been installed and sustained a few scratches. Shows little to no other signs of use. Sold as-is. All warranties void.
Size: Unisex50t/110bcd
Color: Black
Retail Cost: $239.00
Compatibility standards are finicky things, and Rotor makes sure to address your Shimano crankset worries with its Shimano-specific Qarbon Aero Outer Q-Ring. When paired with an inner Q-ring, this outer ring is the final piece in the puzzle towards upgrading your crankset to oval. Rotor reinforces this ring’s CNC machined alloy body with a carbon fiber finish for a blend of efficiency-boosting stiffness and a carbon weave aesthetic that will add stealthy styling to any build kit. This construction method also allows for less aluminum materials and a claimed 8% reduction in weight compared to fully aluminum rings. Rotor also claims a 20% boost in power-transferring stiffness that’ll be much appreciated when punching out of switchbacks or winding up for the final sprint to the finish line.
Qarbon Aero Outer Q-Ring (DWGB667)
TECH SPECS
- Material: 7074-T6 aluminum, [finish] 3k carbon fiber
- Teeth: 50t, 52t, 53t
- Bolt Circle Diameter: 110
- Connection: 4-bolt
- Compatible Components: Shimano cranksets
- Claimed Weight: [53t] 4.7oz (133g)




