Rotor Q-Rings XC2 MTB Chainring Set 4-arm 104/64mm

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Description of Rotor Q-Rings XC2 MTB Chainring Set 4-arm 104/64mm

With these chainrings you can easy convert your triple crank (104/64mm BCD) into a double crankset. Furthermore the oval Rotor XC2 MTB Q-Rings increase your power by emulating a Rotor System crankset in the power stroke and by minimizing the intensity of the "dead spot" zones. By extending the time you spend in the power stroke (where 90% of all power is produced) and smoothly accelerating the legs through the critically weak "dead spots".

The Q-Ring design provides smooth and uniform pedaling without sudden accelerations or shifting problems. It increase and decrease the gear ratio throughout each pedal rotation providing a lower gear ratio at the dead spots which improves your knee comfort.

The patented Rotor OCP system (Optimized Chainring Position) enables you to choose the angle where you obtain the maximum benefit and comfort, customized to your pedaling style.

Q-Rings are made of 7075 T6 aluminium. The hard-anodized surface offers a nice looking finish with high durability. Equipped with steel shifting pins.
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Fact Sheet of Rotor Q-Rings XC2 MTB Chainring Set 4-arm 104/64mm

Product Name: Rotor Q-Rings XC2 MTB Chainring Set 4-arm 104/64mm
Manufacturer: Rotor
Item Code: ROT146114
Year: 2016
Material: 7075 T6 aluminium
Weight: approx. 110 gram (set 40-27 teeth, manufacturer information)
Fitting for derailleur: 2x9/10-speed
Bolt Circle (mm): 104/64mm, 4-arm spider
Color: black anodized
Included in delivery: 2 chainrings
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Chainring Ratio
"38-25" includes
in stock, delivery time 1-3 daysRotor Q-Rings XC2 MTB Chainring 4-arm 104/64mm: 25 teeth inner
in stock, delivery time 1-3 daysRotor Q-Rings XC2 MTB Chainring 4-arm 104/64mm: 38 teeth middle
"40-27" includes
in stock, delivery time 1-3 daysRotor Q-Rings XC2 MTB Chainring 4-arm 104/64mm: 27 teeth inner
Delivery time unknownRotor Q-Rings XC2 MTB Chainring 4-arm 104/64mm: 40 teeth middle
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Customer Reviews
Excellent
Feels somehow easier to pedal with these. Suits for me and my bike
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