Thread: Freewheel, chain and chainring wear...
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Old 10-03-13 | 03:52 PM
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ThermionicScott
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Bikes: 1991 Bianchi Eros, 1964 Armstrong, 1988 Diamondback Ascent, 1988 Bianchi Premio, 1987 Bianchi Sport SX, 1980s Raleigh mixte (hers), All-City Space Horse (hers)

I can see those mashed spots on the teeth -- they remind me of the teeth of a softer aluminum chainring after it's been used a little. Either they didn't do a good job of hardening the sprockets, or you must be a beast on those hills.
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