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Thomson Stem/Steer Tube Shim

Item #: ST405Z01
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Thomson Stem/Steer Tube Shim

Shim turns 1 1/8" stem to fit 1" threadless steerer tubes.
  • For use with Thomson stems only, this is the only shim specified by Thomson for use with their stems

5.0 / 5.0
2 Reviews
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great part - solved my problem
I have an old school cannondale 3.0 MTB frame that has 1 inch threaded shock. I replaced it with a 1 inch threadless shock and used this to adapt the steer tube to a stanrdard 1 1/8 stem. It worked perfect when I paired it with a THOMSON ELITE X4 MOUNTAIN STEM. The adaptor is the exact same length as the clamp on thier thompson stem so no spacers were needed. A couple of notes theough: 1. you need a 1-1/8 stem cap. and 2 if you use spacers they must be 1 inch spacers - that is you should not put 1-1/8 spacers over the adaptor.

PROS: Fits thier stems perfect

CONS: none
April 23, 2012
Location:
Albany, NY
I used this for my...
I used this for my threadless 1" conversion. The part fits beautifully, and the machining gives me confidence that it will stay exactly where I put it. Once the stem bolts are lightly tightened (enough that it holds the steer tube but can still be rotated), it's as if the shim adheres to the stem and they feel as one. Truly, what's not to love about anything from Thomson?
April 26, 2011
Location:
Toronto, On Canada

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Get free shipping with your $50 purchase today when you choose Standard Shipping at checkout. Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.