This seatpost shim converts the width of your bike's seatpost mount from 25.4 to 27.2 mm. This allows for slightly smaller seatposts or seatpost droppers to be fitted on your bike. Seatpost Shim 27.2mm to 25.2 mm Specifications Brand: Adspopts. Material: Painted alloy. Length: 59 mm. Weight: 11.3 grams Size: 27.2 - 25.4mm. Part number: SPA272-254. If you require any of the other sizes show on back order then delivery will take up to 35 days. Convertor Sizes Available on Back Order ( up to 35 days). We have access to an extended range of seatpost adaptors. If you are after any of the below adaptor shims then please either let us know. Alternatively you can place an order via our other listings. We will then send to you as soon as the size your are after arrives into stock. 31.6to 30.9 mm, 27.2 to 33.9 mm, 25.4 to 31.6 mm, 27.2 to 31.8 mm, 22.2 to 25.4 mm, 26.6 to 31.8 mm, 25.4 to 28.6 mm, 31.6 to 33.9 mm, 30.9 to 31.6 mm, 31.8 to 34.9 mm, 27.2 to 30.0 mm.
