USE Seat Post Shim - 30.9 mm ID
£9.99
was
Outer
£9.99
was
Manufacturer :
SJS Cycles part number :
Manufacturer part number :
Details
The USE shim system is made to 100mm length, longer than other shims on the market. This gives your seat post much better support inside the frame. Designed with a "top lip" to stop shim sliding into the frame.
30.9mm Inner diameter
31.6mm, 32.4mm or 34.9mm Outer diameter
30.9mm Inner diameter
31.6mm, 32.4mm or 34.9mm Outer diameter
Specification
Downloads
Download File
Questions & Answers (5)
30.9 to 31.6
By Marko
19 Aug 2019
I have 31.6 seatpost on my frame and i bought 30.9 dropper so which shim i need to buy?
SJS Customer Service:
Hi there,
the shim that you would need is the 31.6mm version.
Thanks.
the shim that you would need is the 31.6mm version.
Thanks.
30.8mm to 31.6mm seatpost, do you sell a shim that allows me to use 30.8mm post on my 31.6mm frame
By Martin McLean
03 Feb 2019
SJS Customer Service:
closest one would e.g. product 39557D316
many thanks
04/02/19
many thanks
04/02/19
I have a Cube with a 31.4mm seatpost and have just bought a 30.9mm dropper post.
By Julian Barclay
18 Sep 2018
Can i get shim cut down from 31.6 to 31.4..!?
SJS Customer Service:
Hi there,
Although it is not recommended you could always file it down so it fits, but as we have never tried this we cannot say for certain whether or not it will work I'm afraid.
Thanks.
Although it is not recommended you could always file it down so it fits, but as we have never tried this we cannot say for certain whether or not it will work I'm afraid.
Thanks.
What size shim will I Need to use a 31.6 dropper post when the seat post on my gt is saying 34.9
By Shaun Fox
05 Dec 2017
My bike is a gt with 34.9 seat post want to ft a 31.6 dropper post. What size shim please?
SJS Customer Service:
Hi,
You will need - SJS Cycles part number : 17628
Thanks
You will need - SJS Cycles part number : 17628
Thanks
Hi Can You Confirm If The 30.9Mm Id 34.9Mm Od Shim Is Alloy Or Plastic? Thanks.
By Alan
05 Jun 2017
SJS Customer Service:
Hi,
The 30.9mm-34.9mm Shim is made from alloy.
Thanks.
The 30.9mm-34.9mm Shim is made from alloy.
Thanks.