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I think this crack was unique to my particular model year. It’s at the cut out on the seat tube that the seat collar pinches together when tightened.
Apparently the seat posts were prone to slipping and the crack would appear due to folk over tightening the bolt.
Cervelo sent out a brass shim to stop the seat post slipping which apparently solved it.
I don’t have wheels for the bike yet, so I’ve yet to find out if it’s going to slip.
My fault for not doing my homework before a very impulse buy!It’s very small, so I’m hopeful that it won’t get worse.
If it does, I think I’ll look for a newer S1 like yours or maybe an S2
2 Attachments
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TotalShanner
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It’s very small, so I’m hopeful that it won’t get worse
I'd be inclined to drill a stop hole
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I've got an anodised grey soloist (maybe 2007?). I bought it second hand c. 2016 and it has a brass shim in the seat tube. I've always been careful with tightening the seat-post clamp but it's never slipped. No cracks last time I checked either.
Good idea to swap the fork... those wolf ones were recalled, I think because they were snappy.
gbj_tester
ewanmac
Not that I remember. Mines not cracked ( frantically touches wood) and i was not aware that was a common problem. Bought it preowned from a mechanic who worked in a bike store selling Cervelo.
Mind you when I bought any of my previous cannondale everyone said it would "crack and fail"