The Q-Rings is an oval road chainring for performance-oriented 1x or 2x drivetrains. With 44 teeth (44T) as an inner chainring and 4-bolt, asymmetric mounting, this version is matched to the described ROTOR drivetrain.

The oval Q-Rings geometry changes the effective gear ratio throughout the crank rotation, and this version has 12.5% ovality. It is designed for riders who want to consciously adapt their pedaling to the ROTOR oval concept.

Top features at a glance:

• 12.5% oval Q-Rings profile for an adjusted pedaling resistance
• 44-tooth inner chainring for 2x11-speed road bike drivetrains
• CNC-machined 7075-T6 aluminum with 110x4 mm mounting interface

Technical specifications:

• Manufacturer: ROTOR
• Model: Q-Rings
• Product type: Oval inner chainring
• Intended use: Road cycling
• Drivetrain: 2x
• Gearing: 2x11-speed
• Tooth count: 44 teeth (44T)
• Bolt circle diameter: BCD 110 mm
• Mounting: 4-bolt, asymmetric
• Chainring shape: Oval
• Ovality: 12.5%
• Material: 7075-T6 aluminum
• Weight: 75.2 g
• Manufacturing: CNC-machined
• Position: Inner
• Color: Black

Compatible with:

• ROTOR road bike cranks with a compatible BCD 110x4 mm spider
• ROTOR INspider power meters with the corresponding 110x4 mm mounting interface
• Shimano Dura-Ace FC-R9100 cranksets
• Shimano Ultegra FC-R8000 cranksets
• Compatible 2x11-speed road bike drivetrains
• Suitable 54/44, 55/44 and 56/44 chainring combinations

Scope of delivery:

• 1x ROTOR Q-Rings oval inner chainring with 44 teeth, Black
• Packaging: Original packaging

Manufacturer part number: C01-038-17010-0 | EAN: 8434366016146

For a road drivetrain where the tooth count, mounting interface and chainring combination are all properly matched.