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Based on Rotors Q-Rings, these oval QCX1 chainrings are the ideal companion piece to the CX1 crank (prod. code: 2111993).
When combined with the CX1 crank, the crank does not have to be removed before mounting the chainring. The advantage is a fast and easy (dis)mounting when other gear ratios are needed, as the thread is integrated into the crank's spider. A specific alternating thick/thin tooth profile does not allow the chain to drop off even in the worst conditions
The oval design optimises the power transfer and contributes to a smooth pedal stroke. Where maximum power is put onto the pedal, the chainring's diameter is the largest. At the top dead centre, the effective diameter of the chainring is the smallest.
• Bolt circle Ø: 110 mm, 5-bolt
• Also compatible with other cranksets with a bolt circle of 110 mm, 5-bolt
• For Shimano/Sram 10-/11-speed chains
• Material: aluminium 7075 T6, hard anodised, CNC milled
• OCP (Optimum Chainring Position): 5
Manufacturer's ref. 38 teeth: CRQ110CX38B
Manufacturer's ref. 40 teeth: CRQ110CX40B
Manufacturer's ref. 42 teeth: CRQ110CX42B
Manufacturer's ref. 44 teeth: CRQ110CX44B
Please note: Not suitable for Shimano FC-9000/6800/5800!
- Manufacturer`s ref.:
- Number of bolts:
- 5 Bolt
- Front derailleur:
- Rear derailleur:
- 11-speed, 10-speed