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Quantity
1
Description
A cassette can wear out without any single cog looking obviously bad. The teeth don't break or visibly bend; they get reshaped; under-cut on the trailing edge, hooked on the leading edge; by a chain that's been ridden past its replacement p...
Reviews
4.0
3 ratings
5
4
3
2
1
Well-made tool at a good price, essential for checking sprocket wear.
A
Anonymous · June 4, 2026
didnt seem towork well. Or I was lied to by bike shop and the old sprocket/cassett was not worn.