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My bike had a 7-speed sunrace cassette that I was going to exchange for a shimano 7-speed cassette.
The new cassette slides on no problem but there's no space for the last sprocket that connects to the lockring to fit. Turns out the new cassette has a spacer bolted onto the back that I can't remove. What am i missing? Have there been some standards change? I have no idea how old the wheel/hub is, but the sunrace cassette was bought a couple of years ago.
Fucking impossible to google this shit if nothing else.
