{"product_id":"lightweight-seatpost-shim-converter-30-9mm-to-27-2","title":"Lightweight Seatpost Shim Converter 30.9mm To 27.2mm Black For Most Frames Fits 27.2mm Seatpost Easy Install Dialed In Road And Mountain Bike Compatibility For Quick Install","description":"\u003cdiv\u003eLightweight seatpost shim converter: 30.9mm to 27.2mm bikes\u003cbr\u003e\n✔️ 1x 90mm aluminum shim, 38g, 30.9mm to 27.2mm post fit \u003cp\u003eThe lightweight seatpost shim converter lets you run a 27.2mm seatpost in frames designed for 30.9mm posts. This one-piece aluminum shim is CNC machined and black anodized for corrosion resistance, making it ideal for road and mountain bikes when quick installs are needed.\u003c\/p\u003e ✅ Length: 90mm \u003cbr\u003e\n✅ Weight: 38g \u003cbr\u003e\n✅ Material: Aluminum alloy, black anodized \u003cbr\u003e\n✅ Compatibility: 30.9mm to 27.2mm seatpost shim for standard round frames \u003cbr\u003e\n✅ Manufacturing: One-piece CNC machined \u003cbr\u003e \u003cp\u003e💡 What is a seatpost shim converter used for and why would I need one?\nThis handy adapter helps riders adapt post sizes without changing the frame or post, preserving fit and ride feel.\n- Enables 27.2mm posts in frames designed for 30.9mm\n- Maintains correct seat height and geometry during swaps\n- Lightweight, durable aluminum with black anodized finish\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48983701913835,"sku":"VXB07ZWG1V4S","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/vxb.com\/products\/lightweight-seatpost-shim-converter-30-9mm-to-27-2","provider":"VXB Bearings","version":"1.0","type":"link"}