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£114.00

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£114.00

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Upgrade your ride! Rotor Q-rings make your spin cycle smoother, make climbing easier on the legs and help reduce the build up of lactates during hard efforts. Rotor Q-Rings minimize the dead spots like reducing the size of a regular chainring, and give you more time during the pedal down stroke. This allows for a lower physical demand on your body, so you are able to ride longer with less fatigue and climb easier. Rotor Q-Rings change the equivalent tooth size by decreasing it before the dead-spots and increasing it when the rider is in the power mode (when more power is available at the pedal down stroke). A 53T Q-Ring, around the upper dead-spot is equivalent to a 51T, but as the pedal goes down and more strength is applied (just passed the maximum power moment), the equivalent chainring tooth size reaches 56T.

 

  • New Q-Rings to fit the latest series of 4 Bolt 110BCD Cranks from Shimano Such as new 9000 Dura Ace and 6800 Ultegra
  • Increased power output
  • Reduce knee stress
  • Smoother pedal stroke
  • Reduce the effects of the dead spot
  • Suitable for all riding disciplines

Delivery Information

Hargroves Cycles offer Free Delivery for all orders over £9 with in Mainland UK (orders below £9 will be charged £1.99)

Current disptach time of UK Bike orders is 5-7 days.
In Stock Clothing, Parts and Accessories are usually delivered within 2-4 working days, often sooner.

Bikes and Bulky items are sent via TNT Courier and smaller items are sent via Royal Mail 2nd Class Post.

Items over £50 are sent with Royal Mail 1st Class track able service which is emailed to the customer on the day of dispatch.
For full delivery details please see our Delivery Page

International Delivery

Hargroves Cycles delivery all across Europe. Goods are shipped from the UK and are subject to import duties where applicable

For further delivery, pricing and restriction information please view our International Shipping Page

Returns Information

We will happily exchange or refund any item purchased at Hargroves Cycles within 365 days, except gift vouchers and personalized products, except where faulty.

Returned goods must be unused and supplied with their original packaging, unless faulty.

For full details on our Returns procedure please visit out Returns Section.

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You're reviewing: Rotor Q-Ring Aero Shimano Single Chainring

ROTOR Bike Components comes from one of the nerve centers of technological development in Spain, the Aeronautical Engineering School of Madrid.

The basic idea of the ROTOR System comes from this school where some students developed the initial prototype in 1995. After the Head of the school approved the project, the University's Manufacturing Department helped with the creation of the prototypes.

The designers decided to stablish a company to complete this product development and start a business venture.

After the first working ROTOR bycicle wass introduced internationally, Dr. Conconi showed a huge interest in the idea and asked for a bicycle to carry out a study on the performance of the system, concluding that the system provided advantages more than evident compared to traditional crank systems. Dr. Alfredo Cordova, from Valladolid University also found that later versions of ROTOR System provided biomechanical obvious advantages.

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  • Rotor Q-Ring Aero Shimano Single Chainring