{"product_id":"promax-335qx-seat-post-clamp","title":"Promax 335QX Seat Post Clamp","description":"\u003cp\u003eThe Promax 335QX is a quick-release seat clamp for bikes where the saddle height gets changed often and reaching for a hex key every time gets old quickly.\u003c\/p\u003e\u003cp\u003eThe lever lets you open, adjust and re-clamp the seatpost by hand, making it useful on shared bikes, growing-rider setups and anything that genuinely needs regular height changes.\u003c\/p\u003e\u003cp\u003eMatch the clamp size to the outside diameter of the frame’s seat tube, not the seatpost itself.\u003c\/p\u003e","brand":"PROMAX","offers":[{"title":"25.4 mm","offer_id":48221561225446,"sku":"PMSE201-01-BLK","price":29.95,"currency_code":"AUD","in_stock":false},{"title":"31.8 mm","offer_id":48221561258214,"sku":"PMSE201-03-BLK","price":39.95,"currency_code":"AUD","in_stock":true},{"title":"35 mm","offer_id":48221561290982,"sku":"PMSE201-05-BLK","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/2823\/8566\/files\/PMSE201_M.png?v=1787322642","url":"https:\/\/bluegroovebmx.com.au\/products\/promax-335qx-seat-post-clamp","provider":"The Blue Groove BMX","version":"1.0","type":"link"}