Absolute Black Premium Oval Subcompact Road Chainring (Black) (110mm BCD) (2.5mm Offs... - ROV30/4BK
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Absolute Black Premium Oval Subcompact Road Chainring (Black) (110mm BCD) (2.5mm Offs... - ROV30/4BK, Absolute Black Subcompact Premium Oval Chainring. Features: Innovative design allows very small chainring use on 4x110BCD cranks but a SRAM 12spd or Dura Ace 11spd chain is recomended Chainrings are sold seperately but must be used in 30+46 and 32+48 combinations Special bolts are included for 30T and 32T inner rings so no additional parts are needed Inner and outer oval chainrings are optimized with smooth shifting in mind, (6) up-shifting ramps (outer ring), and (12) down-shifting points (outer ring) Oval rings help the rider spin smoother and generate more power Example: 32t is equivalent to 30t at deadspot and 34t at the power zone Works with 2x chainring systems and do not require any modification to the front derailleur for use Compatibility: Any 4x110BCD Shimano cranks Designed in UK, manufactured in Poland Specs: Speed:2x9/10/11spd Armx BCD:4x110mm Teeth:30T Color:black