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Rotor Q-Rings Prices


Rotor Q-Ring set 53/40130 BCDShimano type
Rotor Q-Ring set 53/41135 BCDCampagnolo type
Rotor Q-Ring set 50/36110 BCDCompact type
Rotor Q-Ring set 44/34/24   104/64 BCD   MTB Deore type

* Price include installation.



S$280
S$280
S$280
S$300
WHAT ARE Q-RINGS?
Q-Rings are chain rings that can be easily installed on most conventional cranks. They are available for most Road (130 & 135 BCD), MTB (104/64 BCD) and Compact (110 BCD) cranks.
Unlike the asymmetric Bio-Pace and O.SYMETRIC chain rings, the Q-rings are symmetrical. The concept behind Q-Rings enables you to push an effective bigger gear while in the power down stroke when your leg muscles are able to apply more power and an effective smaller gear while in the dead-spots; while producing a smooth pedaling motion. 

The ROTOR patented OCP System (Optimum Chainring Position) enables you to customize the position of the Q-Rings where they best suit your personal needs and desires.


HOW DOES Q-RINGS WORK?
Q-Rings reduce dead-spot negative effects due to its effective variable gear oval concept. The effective gear is lower at the dead-spot zone (when crankarms are at 6 o'clock position), so it is easier, faster and more comfortable (smoother) to pass through it. Once the pedal is over the dead-spot and enters the down stroke, the Q-Rings progressively increase the effective tooth size as more muscle strength is available.

As shown in the above illustration, a 53T Q-Ring at the dead-spots is equivalent to a 51T, so it is easier to move through the dead-spot. But as the pedal goes down and more strength is available you can see how the gear (effective tooth size) gets bigger: reaching the equivalent chainring tooth size of 56T during the power phase.
Q-RINGS BENEFITS:
  • Makes pedalling more efficient and climbing much easier.

  • Reduce lactic acid level production and reduces heart rate demands.

  • Lightweight.

  • Simplicity.

  • No extra pivots and bearing races, so maintenance is zero.

  • Less intense dead point than standard chainrings.