Do you mean you have a 5 speed freewheel on there now, or 10 speed cassette? The old Super Record derailleur can only take up to 28t cog.
Hey, no its a 10 speed record ti 12-25 cassette. Its a early 2000' medium cage 10 speed record mech.
@inkleined started
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Do you mean you have a 5 speed freewheel on there now, or 10 speed cassette? The old Super Record derailleur can only take up to 28t cog.