Description
oval shape allows for greater power, increased traction, and a smoother spin Blackspire's oval shape has an ovality of 12-13% with a timing of 115 degrees after the top dead cen Highly sought after narrow-Wide tooth design which provides excellent chain retention without a chai Highly sought after narrow-Wide tooth design which provides excellent chain retention without a chai Direct mount for SRAM GXP Boost cranks, 3mm offset for a perfect 52mm chainline Direct mount for SRAM GXP Cinch cranks, 6mm offset for a perfect 49mm chainline