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  • USE Aluminium Shim
  • USE Aluminium Shim
NOW$10.49
  • RRP$11.99
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  • SAVE13%

Select  Colour
Select  Diameter
34.9mm
32.4mm
Select  Option
31.6 - 34.9mm
31.6 - 32.4mm
  • IN STOCK(5+)

  • right This item ships to United States of America
  • right Shipping amount : $9.99
  • right 365 DAYS to return or exchange
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USE Aluminium Shim

The USE shim system allows you to fit a post into virtually any frame size. Our shims are made to 100mm length and are longer than other shims on the market. This gives your seat post much better support inside the frame. All shims are designed with a "top lip" to stop shim sliding into the frame.

Features:

  • The Aluminium shims are machined to very high tolerances from 6082 T6 Aluminium and then black anodised to protect from corrosion.

Buy USE Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

  • Colour: Black
  • Option: 31.6 - 34.9mm, 31.6 - 32.4mm
  • Diameter: 34.9mm, 32.4mm
 
Rated 4.8 out of 5 by 8 reviewers.
Rated 5 out of 5 by Great item Perfect for filling the gap, supports the shaft well without any movement 30 November 2013
Rated 5 out of 5 by clean tidy product better than most shims Just as summary says well machined product strong and durable 04 September 2013
Rated 4 out of 5 by Boccole efficaci Con questo accessorio si possono risolvere in maniera elegante ed economica i vari problemi nei cambi di misura. Risolto i miei nel tandem(pipa/reggisella) 14 August 2013
Rated 5 out of 5 by Very well made item. USE don't actually make the size I wanted - I'm fitting a 30.0mm dropper seat-post into a 30.9mm frame. Fortunately they do make a 31.6 - 32.4 which was near enough the 0.45mm thickness I required. I widened the slot/gap by carefully cutting off a narrow strip from along the length with a hacksaw. This allowed me to reshaped the shim to wrap round my 30.0mm seatpost, which was very easy to do with this being made from aluminium. It's a perfect fit in my frame. Job done ! Thanks USE. 23 January 2013
Rated 5 out of 5 by Зашибись Изначально не подошло по размеру (так и должно было быть), но Я взял напильничек (в складном ноже VICTORIA который), шкурку и сточил пару десятков милиметров с внешней стороны. Для замеров использовал цифровой штангенциркуль от ParkTool. В результате всё идеально подошло. Рекомендую. 28 March 2012
Rated 5 out of 5 by MAke sure you get de right size innit Measure your seat post and seat tube carefully, then do it again just to make sure. Then get one of these because they are bang on. No squeaking, no fuss, perfect. Forgotten I even had a shim until I had to adjust the height earlier. Job done. 10 February 2011
Rated 4 out of 5 by quality of product The shim was recommended by a member of the CRC sales team and matched all my requirements. Well engineered, it fits perfectly and solved my particular problem. A quality product at an affordable price. 12 April 2010
Rated 5 out of 5 by top product Got it from 31,6 to 32,4 Nicely made,perfect fit,no creaking 08 April 2010
1-8 of 8
2 Questions : 3 Answers

Product Q&A

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Gender: Male
8 months ago
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Kimberley,CA
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Answer: 
A shim to bridge this gap would have to be 0.7mm in width for which there is currently no such option.

For advice on fitting and making this setup work; please send your frame/seatpost information to our Technical Department below -

http://www.chainreactioncycles.com/...
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8 months ago
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Answer: 
You need to specify both measurements when ordering a shim- you'll need a 30.9-31.6 for yours.
Age: 25 to 34
Gender: Male
Attitude: Passionate and Obsessive
7 months ago
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1 answer

Which size on the shim?

Hi, im looking at buying this USE aluminum shim togehter with a Thomson Elite Dropper post 31,6 mm to fit into my bike frame which is 34.9 mm.. My question is, which size on the shim should i get?

Br Alex
Age: 25 to 34
Gender: Male
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3 months, 2 weeks ago
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Göteborg,SE
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Answer: 
The correct shim required for this setup is sku63821 (31.6mm - 34.9mm).
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3 months, 2 weeks ago
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