Switching frames doesn't mean you have to switch posts! Use your old posts without worry with our wide variety of seatpost shims.
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$18.00
The Problem Solvers Seatpost Shim is a precision-machined adapter sleeve that allows you to install a smaller-diameter seatpost into a larger-diameter frame seat tube. It provides a secure, rattle-free fit and eliminates the need to replace an otherwise compatible seatpost or frame.
Designed for durability and ease of use, the shim slips over the seatpost and works in conjunction with a standard seatpost clamp to ensure proper alignment and reliable clamping force. A flanged top prevents the shim from sliding into the frame during installation or removal.
Ideal for riders upgrading frames, reusing a favorite seatpost or dropper post, or fine-tuning fit across different bikes.
The Problem Solvers Seatpost Shim is a precision-machined adapter sleeve that allows you to install a smaller-diameter seatpost into a larger-diameter frame seat tube. It provides a secure, rattle-free fit and eliminates the need to replace an otherwise compatible seatpost or frame.
Designed for durability and ease of use, the shim slips over the seatpost and works in conjunction with a standard seatpost clamp to ensure proper alignment and reliable clamping force. A flanged top prevents the shim from sliding into the frame during installation or removal.
Ideal for riders upgrading frames, reusing a favorite seatpost or dropper post, or fine-tuning fit across different bikes.
