Absolute Black

Closeout - Shimano 6800 / 9000 110x4 CX1 Chainrings

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  • MSRP $40.00

Premium Cyclocross 110bcd x 4 arm oval chainrings designed for current Shimano cranks (Dura-Ace 9000, Ultegra 6800, Shimano 5800). Ideal for 1X conversion of your current road double crank. Narrow-wide chainring.

Size (Mass +/-1g):

38T (65g), 40T and 42T coming soon


Black, Racing Red


Shimano Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700 and similar


CNC machined 7075 Txxx Aluminum


type II anodizing


38T- 11.4% ; Timing of 110.5 after TDC (top dead center) - Patent Pending


Advantages of our CX oval chainrings:

  • Finest design to provide excellent strength to weight ratio
  • Patent-Pending oval shape
  • Unique Patent Pending narrow-wide tooth profiles to keep your chain in place even in aggressive conditions
  • Special 3D teeth machining for ultimate mud relief, decreased wear and noise
  • Designed to handle the rigors of mud and grass
  • Superb quality and look.
  • Riders will not "feel" the oval shape
  • Improves traction and climbing abilities
  • Reduces knee stress


First you need to remove crank from the bike. Once removed, unscrew 4 bolts that hold two original rings together with T-30 torx key. Take off both original rings. Position Absoluteblack oval chainring in place where the big chainring was. Please note that small indicator on the chainring Must sit behind crank arm - same way as original chainring indicates its position. Use provided AB bolts to lock the chainring in place using T-30 torx key with force of about 5-7Nm. Mount your crank back to the bike. Done

Always use a new chain with a new chainring.

Designed in UK. Manufactured in Poland (EU).

The World's finest oval (elliptical) road chainring. Non circular chainrings, Non-round chainrings. Asymmetrical chainrings.



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