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Absolute Black Road & Track Chainrings
Absolute Black Premium 2x Oval Shimano 9100/8000
  • Compatibility: Shimano Dura-Ace 9100, R9120, R9150 & R9170 Di2 and Ultegra 8000, R8020, R8050 & 8070 Di2, 105- R7000, R7020, R7070. They can also retrofit all 9000 and 6800 series cranks but use bolt covers for best appearance. 10 / 11 / 12sp compatible
  • For outer chainring please order "long bolts" from us OR bolt covers. Changing inner chainring to oval only? use original bolts
  • Inner and outer oval chainrings are optimized with smooth shifting in mind
  • Features smooth angled surfaces, (6) up-shifting ramps (outer ring), and (12) down-shifting points (outer ring)
  • Oval rings help the rider to spin smoother and more efficiently
  • Example: 32t is equivalent to 30t at dead spot and 34t at the power zone
  • Works with 2x chainring systems and does not require any modification to the front derailleur for use
  • Designed in UK, manufactured in Poland
 
item # model ring type speed mount teeth oval/round color in stock?
  AI5236 Premium Oval Shimano 9100/8000 inner 2x9/10/11sp 4x110mm 36 oval black YES
  AI5237 Premium Oval Shimano 9100/8000 inner 2x9/10/11sp 4x110mm 38 oval black YES
  AI5238 Premium Oval Shimano 9100/8000 inner 2x9/10/11sp 4x110mm 39 oval black YES
  AI5239 Premium Oval Shimano 9100/8000 outer 2x9/10/11sp 4x110mm 50 oval black YES
  AI5240 Premium Oval Shimano 9100/8000 2x9/10/11sp 4x110mm 52 oval black - YES
  AI5241 Premium Oval Shimano 9100/8000 outer 2x9/10/11sp 4x110mm 53 oval black YES