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Just got an old Trek Liquid frame off ebay, and when I disconnected the rocker from the top of the shock to test if there was free movement in the bearings, I noticed that rather than moving freely around there was some resistance if you tried to move the frame in the direction it would go as the shock compresses.
That can't be normal, right? It was almost spring-like resistance in that it got harder to move the further towards the end of it's intended arc that you got! It's like it has some inbuilt suspension - it wanted to return to its original position.
One of the bearing bolts is especially tight, but surely if it was constrictively tight it would result in no moment, rather than the progressively difficult movement I'm getting?
Hope what I'm saying makes sense, I'm not great at explaining things...
To quote the infamous bearing retailer, it sounds like your bearings are goosed :-(*
*I know nothing about the Liquid frame though.
If it has no pivots at the dropout then this sounds reasonable.
bent pivots might give that feel (theoreticaly)
but no, is far as i know, it should be free movement.
Because the Liquid suspension has no chainstay or seatstay pivot, it uses a carbon fibre flex stay system. This in itself acts like spring & also gives a little preload, supposedly making the ride suppler over small bumps?
I still have a Liquid 30 and though it’s not built up at the moment but I'm thinking of doing so as I always enjoyed riding it.
The tight bearing bolt should have no effect on the bearings ability to turn.
In other words what you are describing is exactly how a Liquid rear suspension feels when you disconnect the rear shock.
MrOvershoot - many thanks again! Good to know you enjoyed riding the thing as well, planning to build my frame up tonight...