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Rotor

<p>You could train endlessly to increase your performance, or you could just switch to Rotor’s oval Q Ring. The unique 10% oval design results in the rider spending less time in the least powerful parts of the pedal stroke and more time in the powerful parts. The design creates a smoother spin cycle that works with your legs natural strengths and weaknesses, and can increase an avid cyclist’s performance by as much as 4 seconds per km.</p><ul><li>Made of 7075 aluminum, CNC-machined for precision</li><li>Steel shifting pins</li><li>5 OCP regulation points</li><li>10% ovalization increases efficiency and performance</li><li>Works for all 10 and 11-speed groups</li><li>Some cranks require specific Q Rings</li><li>39 and 53T rings weigh in at 145g</li></ul>

Rotor Q Ring (130x5)

39 Tooth

53 Tooth

Bolt circle diameter (BCD): the diameter of an imaginary circle that intersects the centre of each chainring bolt.

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Rotor Q Ring (130x5)

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