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Rotor Q-Rings Shimano 4-arm Road chainring
Product code: 206907001
Q-rings improve the pedal stroke thanks to the reduction of the dead spot. This allows you to ride upright longer while climbing and reduces fatigue o... more details
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plus €16.35 for delivery to United States of America
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Q-rings improve the pedal stroke thanks to the reduction of the dead spot. This allows you to ride upright longer while climbing and reduces fatigue of the muscles. Besides, the cardiovascular endurance (endurance of heart and lungs) is improved. The x4 version fits the new Shimano 4-arm road bike cranks such as Dura Ace FC-9000, Ultegra FC-6800 and 105 FC-5800.
· Mounting position: inside
· Material: aluminium 7075 T6
· CNC milled
· Compatibility: Shimano Road 11-speed
· Bolt circle: 110 mm
· 4-arm attachment
· Ovality 10%
· OCP: 5
Please note: Special chainring bolts are required for mounting, these are not included!
· Chainring bolts Dura Ace FC-9000 look (item no. 2257528)
· Chainring bolts Ultegra FC-6800 look (item no. 2257527)
Manufacturer's ref. 44 teeth: ROCRQ110x40044B
Manufacturer's ref. 38 teeth: ROCRQ110x40038B
Manufacturer's ref. 36 teeth: ROCRQ110x40036B
Manufacturer's ref. 34 teeth: ROCRQ110x40034B
- Manufacturer`s ref.:
- C01-020-17010-0, ROCRQ110x40044B
- Number of bolts:
- 4 bolt
- Front derailleur:
- Rear derailleur:
- 11-speed, 10-speed