I have a SRAM PG970 cassette on my wheel and got a 2nd rear wheel, so bought a SRAM PG980 cassette.
The PG980 looks nothing like the PG970 - the latter mounts on the splines of my freehubs but the PG980 has a smooth center cone that rotates separately from the body.
Is this just some packaging thing, or is the PG980 freehub mounting so different from the PG970?
The PG980 came with a black plastic disc under the lockring and I can't figure out how to take the lockring off. Wherever I put the chainwhip, turning the lockring just makes another set of cogs spin - I can't turn it off.
Boy - do I feel stupid, but this cassette comes different than any I've bought.
The PG980 looks nothing like the PG970 - the latter mounts on the splines of my freehubs but the PG980 has a smooth center cone that rotates separately from the body.
Is this just some packaging thing, or is the PG980 freehub mounting so different from the PG970?
The PG980 came with a black plastic disc under the lockring and I can't figure out how to take the lockring off. Wherever I put the chainwhip, turning the lockring just makes another set of cogs spin - I can't turn it off.
Boy - do I feel stupid, but this cassette comes different than any I've bought.