Rotor took its road-winning technology and finally released ovalized mountain bike rings, as well as single-, double-, and triple-specific REX mountain bike cranksets this past fall. The QX2 is designed as the outer chainring for a 2-ring mountain bike drivetrain. Ovalized chainrings are essentially designed to maximize the efficiency of your pedal stroke by prolonging the power zone and minimizing dead spots. They are machined with a subtle oval shape and, with multiple mounting holes, can be "clocked" to maximize the effects for your biomechanics, pedaling style, and bike geometry. The QX2 features an ovality of 10%, which helps you accelerate better, experience smoother torque, and grip better off road. Additionally, the alternating thick and thin tooth profile keeps your chain from dropping -- even in the roughest conditions. This eliminates the need for a chain guide. The Rotor QX2 Outer Chainring comes in sizes: 104-38t, 104-40t, 110-36t, 110-38t, 110-39t, 110-40t, 120-38t, and 120-40t. Each ring comes in the color Black.
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Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!
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