[dunnoh]

I have Fulcrum 5’s. When I put pressure on one side of the crank i.e. I stop pedaling and stand up, I get a grinding noise from the hub / cassette. I’ve replaced the spring and regreased the bearings. Any ideas what it is because its driving me mad. Ta

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[Nick T]

Your cassette lockring isn’t
Your cassette lockring isn’t tight enough.

[therevokid]

any particular gear
any particular gear combination ? Mine did that too or so I thought … turned
out to be chain rub !!!! God knows how I didn’t spot it before …. :/

[andylul]

I had that on my Campag
I had that on my Campag Siroccos and I replaced the rear wheel bearings (sorted)

Got them direct from I-ride.co.uk – same bearings as Fulcrum

[Author]

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