Bike seatpost adaptor available to convert 34.9mm seatposts to 33.9mm. They are used when the post size of the seatpost is too small to fit into your bikes seatpost mount. They often used for adapting the size of dropper posts and suspension posts to fit on bikes with larger mounting holes. Bike Seatpost Adaptor Specifications Brand: MUQZI. Material: Alloy. Length: 39 mm. Weight: 6 grams. Size: 33.9 - 34.9mm. Please note we carry the 27.2 to 30.8mm, 27.2 to 30.9, 27.2 to 33.9 and 33.9 to 34.9mm converters as standard. These models are usually available for immediate dispatch. 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 an extended range available which can be ordered in. If you are after any of the below size adaptor shims then please either let us know. Alternatively you can place an order via our other listing. We will then send to you as soon as the size your are after arrives into stock. 25.4 to 27.2 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, 27.2 to 31.6 mm, 31.6 to 33.9 mm, 27.2 to 30.4 mm, 30.9 to 31.6 mm, 27.2 to 28.6 mm, 31.8 to 34.9 mm, 27.2 to 30.0 mm.
