SHIM/SLEEVE (For Seatposts) - 31.6mm to 27.2mm - 120mm LENGTH

SHIM/SLEEVE (For Seatposts) - 31.6mm to 27.2mm - 120mm LENGTH

Marsoni

M251S

$56.00

Get it in 3 business days with 1 day shipping. Friday, May 29

SHIM/SLEEVE (For Seatposts) - 31.6mm to 27.2mm - 120mm LENGTHOversize 31. 6mm hole but you want some more seat post options? Shim it down to 27. 2mm with this Shim and the world's your oyster!

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Your SHIM/SLEEVE (For Seatposts) - 31.6mm to 27.2mm - 120mm LENGTH orders ship within 1-2 business days.

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Fast: 2-3 business days
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Exchange/Return Notes

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They feel sturdy yet remain pleasantly soft on the skin during use. Keep in mind that they do arrive with a very strong natural grass smell right out of the package. I highly recommend washing them in a water and vinegar solution, then letting them air or sun dry before your first use. Once the smell is gone, they are absolutely perfect!

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Reviewed in the United States on May 19, 2026