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ROTOR Chainring Q-Rings XC2 2-speed BCD 74 27 Tooth inside

  • Our price : 67,50 €
  • including 19% VAT., Plus Shipping
  • List Price: 75,00 €
  • You save 10%, that is 7,50 €
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ROTOR chainring Q-Rings XC2 2x LK 74 27 teeth inside

The oval shape of the Q-Rings chainrings serves the best use of leg muscles, thereby increasing their own performance! The theory behind this is based the fact that the leg muscles of man is primarily aimed to straighten the leg while angling the leg is necessary only rarely and without much effort. The corresponding muscle groups are therefore less pronounced so naturally that even through hard training the performance of the different muscle groups can not be equalized to each other. From this difference, therefore, is always followed with round chainrings a non-circular passage and a significantly faster fatigue the pulling muscles while pedaling. Rotor Q-Rings set at this point and strain due to its oval shape, the pressing muscles stronger, while reducing the pulling any muscles. This concept increased by making better use of anatomical thus both the sprint and endurance performance!

The particular shape of the chainrings allows thanks to optimally executed switching ramps still clean shifts. Because of the continuous outer surface of the Aero chainrings offer less surface for the wind and give so again a small advantage at high speeds.

The XC2 chainrings with 74 mm PCD are mainly intended for the Rotor cranks, which are equipped with a 2-chainring spider with 110 mm and 74 mm bolt circle.

Technical specifications:

intended use: MTB
Material: 7075 T6 aluminum
Spider: 5-arm
bolt circle diameter: 74 mm
Number of teeth: 27
Compatibility: 9-, 10- and 11-speed Shimano / SRAM compatible cranksets
Adjustment possibilities: 3
Assembly: Interior
Color: Black

Weight: 29 g

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