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Rotor Q53AT (39) BCD130x5 Aero Outer Chainring

C01-001-08020B-0
₹8,950

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Aero Oval Gearing for Powerful Road Performance

Overview

The Rotor Q53AT (39) BCD130x5 Aero Outer Chainring combines Rotor’s oval Q Ring profile with an aerodynamic outer plate. It is developed for performance road riding, time trials and racing where efficient power delivery matters. 

Race-Focused 53/39T Gearing: This 53T outer chainring is designed to pair with a compatible 39T inner ring. The traditional race-oriented combination supports high-speed riding and sustained efforts across flatter and rolling terrain.

Smoother Power Application: The oval profile is designed to optimise power transfer through the pedal stroke. It helps riders apply force more effectively while maintaining a controlled rhythm during demanding efforts. 

Five-Bolt Road Fitment: The 130 mm five-bolt mounting pattern fits compatible road cranksets using the same interface. Its aero profile helps create a streamlined drivetrain setup while providing dependable outer-chainring performance. 

The Rotor Q53AT (39) BCD130x5 Aero Outer Chainring combines race-focused gearing, oval pedalling support and aerodynamic construction.

Features
  • Matched 53/39T Setup: Designed for use with a compatible 39T inner chainring.
  • Smoother Power Delivery: Oval shaping supports efficient force application while pedalling.
  • Rigid Alloy Construction: CNC-machined aluminium supports responsive power transfer.
  • Q Rings: A 10% oval profile reduces resistance through weaker portions of the pedal stroke.
  • OCP System: Five Optimum Chainring Positions allow the ring orientation to suit the rider.
  • Aero Design: Enclosed outer-ring shaping improves stiffness and aerodynamic performance.

Specifications
  • Series: Q Rings
  • Recommended Use: Road, Triathlon and Time Trial
  • Design: Aero
  • Position: Outer
  • Chainring Shape: Oval
  • Ovality: 10%
  • OCP Positions: 5
  • Drivetrain Configuration: 2x
  • Speed Compatibility: 9 Speed, 10 Speed and 11 Speed
  • Material: 7075-T6 Aluminium
  • Manufacturing: CNC-Machined
  • Bolt Circle Diameter: 130 mm
  • Bolt Pattern: 5-Bolt
  • Compatible Inner Chainring: 39T
  • Chainring Size: 53T
  • Color: Black

Shipping, Returns & Refunds

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.