Ta 64 pcd chinnok 4 arm mtb inner chainring 22 24t chainrings
These are truly technically advanced and are available for most chainsets computer generated tooth profiles optimise power transfer and prolong drivetrain life stainless steel pick up pins and machined shifting aids on the middle and outer rings provide the smoothest changes possible on 8 and 9 speed systems even under power gives fast and precise gear changing
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