Shimming 30.9 post ...
 

[Closed] Shimming 30.9 post to 31.6 - coke can?

 DT78
Posts: 10066
Free Member
Topic starter
 

Just bought a shiny RS reverb post, I have 2 bikes I wish to use the post on and prepared for a bit of faff swapping it over.

What is the best way to shim the post so I can easily transfer it over?

Apparently no one manufactures a shim this small, and the only thing I can find online is to use a coke can?

Is there any better alternative?


 
Posted : 18/03/2011 1:46 pm
Posts: 0
Free Member
 

I recently used the little plastic shim bit that you always seem to get with bike lights. Has worked pretty well on my front mech.


 
Posted : 18/03/2011 1:47 pm
 7hz
Posts: 0
Free Member
 

Cracked seattubes suck, is it worth it?


 
Posted : 18/03/2011 1:49 pm
 DT78
Posts: 10066
Free Member
Topic starter
 

why would the seattube crack if I shimmed it to the right size?

the bigger seattubed bike is a mmmbop if that matters....

Is there really no company out there that caters for this?


 
Posted : 18/03/2011 2:00 pm
Posts: 251
Full Member
 

[i]Is there really no company out there that caters for this?[/i]

no, because they don't want to pay for your cracked seat tube.

it's very difficult to reliably produce a seatpost shim that's 0.35mm thick, which is what you need.

[edit] eats words...


 
Posted : 18/03/2011 2:09 pm
Posts: 0
Free Member
 

http://shop.use1.com/ProductDetails.asp?ProductCode=SS30.9-31.6 The power of google.


 
Posted : 18/03/2011 2:11 pm
Posts: 6934
Full Member
 

I used an ale can for years to shim a similar size - nae bother at all.

I guess 7 quid is not much money if you're after peace of mind that you're doing things 'properly', still 7 times the price of a can of Stella, and you don't get any Stella with it.


 
Posted : 18/03/2011 2:40 pm
 DT78
Posts: 10066
Free Member
Topic starter
 

Thank you for the link, believe me I spent a few hours googling last night and trawling crc, merlin etc...

Was about to purchase and the buggers slap on a £5 postage as well for a £7 shim.

Anyone know any online retailer that sells USE shims in this size (wiggle don't appear to)


 
Posted : 18/03/2011 2:52 pm
Posts: 12
Free Member
 

I needed a tiny shim to stop slight slippage on a post in my hack SS CX bike.

Coke can was just the job.

Nothing has broken yet.


 
Posted : 18/03/2011 2:56 pm
Posts: 0
Free Member
 

Five quid post is a tad steep, does it get delivered on horse back or something?

I've had a trawl on ebay for you and can't see anything there.

I'd be cheeky and ring use. Tell them you don't care about fancy packaging... see if they'd charge you less post.


 
Posted : 18/03/2011 3:02 pm
Posts: 0
Free Member
 

Got mine from Winstanleys bikes, free delivery too 🙂


 
Posted : 18/03/2011 3:11 pm
 Ewan
Posts: 4389
Free Member
 

http://www.singletrackworld.com/forum/topic/309-to-316-shim-1

Evidentally not even a custom part now...


 
Posted : 18/03/2011 3:52 pm
Posts: 17
Free Member
 

I used a beer can shim on a 28.6 thomson in a 27.2 frame. It was a tighter fit than the correct size. Used araldite to glue the can on. Don't think I'd wanna do it on a new reverb post though. Then again you don't need to touch it once it's in.


 
Posted : 18/03/2011 4:27 pm
 DT78
Posts: 10066
Free Member
Topic starter
 

ordered from winstanleys - thanks for the headsup


 
Posted : 18/03/2011 5:45 pm
Posts: 0
Free Member
 

Yep, ordered one too although not showing in stock so god knows how long the wait will be!


 
Posted : 18/03/2011 6:33 pm