I changed from 8 to 9 spd last season and today I noticed that there is spacer on the freehub just before the 34T cog. I it necesary with a 9spd cassette? I really don't have any shifting
problems. But it seems that my chain runs really close to my dropouts when I'm running
on the 11T cog.
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Thread: 9 Spd cassette spacer?
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