Developed to quickly determine the condition of Shimano 8/9 speed HG or IG cassette sprockets.
Indicates when cogs are on the verge of being too worn out, preventing chain skipping
Offer is not valid on sale items, Garmin, Arc'teryx, Kuat, Vortex, Peak Design, Totem, Wahoo, or Dometic items. Additional exclusions may apply.
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