Blackspire Super PRO Road 130 BCD 9/10 Speed

Joe Mamma Cycles Verified independent store

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• Premium best-of-the-best replacement 9/10sp chainrings for all your road applications • CNC machined from T6 heat-treated, super-strong AL7075 right here in Canada.• Cut from 0.1 60” thick material• For use with 9/10sp drivetrains• Includes modified shift gates and special profiles to enhance shifting speed and smoothness• Select outer chainrings include strategically placed stainless steel pins to further enhance pick-up and shifting speed• Not compatible with 2004 or newer Dura-Ace/Ultegra cranks• 110 x 46T/48T/50T and 130 x 53T/52T come with stainless steel shift pins• Anodized black finish w/ laser-etc Show more