To my knowledge....there was never a 13-29 10's cassette with ONLY last 3 cogs pinned together....other than the Record and Chorus that had last 3 and middle 3 together. . There was/is a 12-30 10's cassette with only last 3 together. 12-13-14-15-17-19-21-24-27-30. Also there is a 12-27 10's only last 3 together.
These cassettes are a little different than other 10's. (Such as the 13-29 and 13-26, etc). All spacers are 2.5 MM between the loose cogs (I have the chart that came with the cassette showing that). Other 10's cassettes had different width spacers in different places (I have all those charts also showing what goes where).
Last edited by Ralph; 09-19-2017 at 04:05 PM.
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