Small frame – Seat post- reverb quandary – Page 2 – Bike Forum

evh22 · 2012-08-30T18:13:51Z

Can anyone advise me? I've got a 14.5 Trek Lush and am pretty tiny. When i bought it we couldn't get the seat post all the way into the frame enough for me to have the seat down low enough for all the rad gnarly descents ( ha ha). This is because there is a slight narrowing inside the frame 6inches from the top where the first pivot is where its butted. So the guy in the shop cut the seat post. Now i'm thinking of getting a reverb but it wont go in past this narrowing without brute force so i'm left with two problems: firstly i want a reverb and wouldn't be able to get it in at the moment. Second, if i accept that i will be forever reverb-less and can't get rid of the problem i can only insert about 2 inches of seat post into the frame which i assume isn't enough. Will this damage the frame/post/me? Even if having only a bit of saddle inserted what if someone taller than me were to use it? They'd have no saddle in at all, bad news tall people. I've read you might be able to get it reamed and the guy in my LBS said they'd fitted someone a reverb free of charge from trek because of a similar problem. I don't want to ruin the warranty. Would i expect Trek/LBS to sort this problem or will it cost me $? I'm a bit annoyed with the LBS for cutting the post then not telling me about minimum insertion points, but i wont get started about the quality of the LBS. :(

evh22

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Glad to be of help! I am fast becoming a world expert on biking for small people. Great to see someone else is having fun on that bike.

If your seat post is moving around then that suggests it isn't in tight enough, which suggests you need a shim.... I'm no expert but this is what I'd do. There is a suggestion that using a shim invalidates your warranty. Not sure of the truth of that. You can get a nice UST shim for about £6. Feel free to get in contact if you need any more small person help.

How have you routed your hose? I have had problems with the amount of slack you need rubbing on my rear tyre wearing it out.

I'm thinking of solving all of these problems by buying a Pivot Mach 🙂

Posted : 18/05/2014 2:17 pm

bgy3jlh

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Thanks for replying 🙂

I've just spoken to the people at Evans, who say that, actually, the shim that I ordered didn't work... it was too big, and so the guy fitted it without, test drove it, and thought it was OK. However, they agree that my seat shouldn't be rotating left/right if knocked, and so have asked me to bring it in again at my convenience and they will find a shim to fit.

I can send you a photo of how they have routed the hose, if you'd like?

Thank you for your small person MTB help!

Posted : 19/05/2014 3:44 pm

evh22

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Sorted the routing now thanks. Great to see Evans at their very best. The USE ones will fit.

Posted : 22/05/2014 8:01 am

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[Closed] Small frame - Seat post- reverb quandary