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Made with MTB and road cycling in mind, the absoluteBLACK range of oval chainrings are a sight to behold. Beautifully designed and engineered impeccably, the attention to detail is every bit as spectacular as the bike they're about to be fitted on. absoluteBLACK believe that oval chainrings offer greater benefits to cyclists who don't produce power evenly through each turn on the pedal. Oval chainrings maximise the part of the stroke where cyclists produce the power - just what you need when undertaking a steep hillclimb.