Thomson stem shim
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Nobody makes 1" threadless stems anymore and finding a good used one is damn near impossible.
This premium quality aluminum shim allows the use of 1-1/8" threadless stems on 1" threadless forks.
Available in two stack heights and will work on any 1 1/8" threadless stem (not just Thomson).
FYI: When using a 1 1/8" stem and shim on a 1" steerer, you need to use a 1 1/8" top cap.
• stack height: 37mm or 40mm
• color: black, silver