Old 08-23-23 | 09:56 PM
  #5  
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ThermionicScott
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Joined: Aug 2011
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From: CID

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)

Shimano offered quite a few combinations of 7-speed Hyperglide cassettes back in the day (actually, until somewhat recently.) Sheldon Brown kept a chart on his site: https://www.sheldonbrown.com/k7-7.shtml#shimano7

I used a 13-28T "M" cassette with that exact 105 RD with no issues whatsoever.
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