{"product_id":"saddle-clamp-28-6mm-alloy-qr","title":"Speed Saddle Clamp 28.6Mm Alloy Qr","description":"\u003ch2 data-end=\"180\" data-section-id=\"uzykf7\" data-start=\"140\"\u003e Speed Saddle Clamp 28.6mm Alloy QR\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"396\" data-start=\"182\"\u003eThe \u003cstrong data-end=\"224\" data-start=\"186\"\u003eSpeed Saddle Clamp 28.6mm Alloy QR\u003c\/strong\u003e is a \u003cstrong data-end=\"276\" data-start=\"230\"\u003equick-release seatpost collar (seat clamp)\u003c\/strong\u003e used to secure the seatpost inside a bicycle frame’s seat tube, while allowing \u003cstrong data-end=\"395\" data-start=\"356\"\u003etool-free saddle height adjustments\u003c\/strong\u003e.\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"401\" data-start=\"398\"\u003e\r\n\u003ch2 data-end=\"427\" data-section-id=\"15ilybu\" data-start=\"403\"\u003e Key Specifications\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"684\" data-start=\"429\"\u003e\r\n\t\u003cli data-end=\"494\" data-section-id=\"5dbjnq\" data-start=\"429\"\u003e\n\u003cstrong data-end=\"444\" data-start=\"431\"\u003eDiameter:\u003c\/strong\u003e 28.6 mm (fits a 28.6 mm seat tube outer diameter)\u003c\/li\u003e\r\n\t\u003cli data-end=\"561\" data-section-id=\"18gj1yy\" data-start=\"495\"\u003e\n\u003cstrong data-end=\"510\" data-start=\"497\"\u003eMaterial:\u003c\/strong\u003e Aluminium alloy (lightweight, corrosion-resistant)\u003c\/li\u003e\r\n\t\u003cli data-end=\"610\" data-section-id=\"j9a9d3\" data-start=\"562\"\u003e\n\u003cstrong data-end=\"578\" data-start=\"564\"\u003eMechanism:\u003c\/strong\u003e Quick-release (QR) lever system\u003c\/li\u003e\r\n\t\u003cli data-end=\"684\" data-section-id=\"ghe4qs\" data-start=\"611\"\u003e\n\u003cstrong data-end=\"626\" data-start=\"613\"\u003eFunction:\u003c\/strong\u003e Locks seatpost in position while allowing fast adjustment\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"689\" data-start=\"686\"\u003e\r\n\u003ch2 data-end=\"718\" data-section-id=\"1y98st4\" data-start=\"691\"\u003e Typical Compatibility\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"756\" data-start=\"720\"\u003eThis size is most commonly found on:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"884\" data-start=\"757\"\u003e\r\n\t\u003cli data-end=\"785\" data-section-id=\"1h92erq\" data-start=\"757\"\u003eOlder steel frame bicycles\u003c\/li\u003e\r\n\t\u003cli data-end=\"806\" data-section-id=\"w251wg\" data-start=\"786\"\u003eVintage road bikes\u003c\/li\u003e\r\n\t\u003cli data-end=\"850\" data-section-id=\"1vpfegm\" data-start=\"807\"\u003eSome entry-level or budget mountain bikes\u003c\/li\u003e\r\n\t\u003cli data-end=\"884\" data-section-id=\"1gxynir\" data-start=\"851\"\u003eOlder commuter and hybrid bikes\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"1031\" data-start=\"886\"\u003eThe 28.6 mm clamp size reflects \u003cstrong data-end=\"947\" data-start=\"918\"\u003enarrower seat tube frames\u003c\/strong\u003e, which were more common before modern oversized tubing standards became widespread.\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"1036\" data-start=\"1033\"\u003e\r\n\u003ch2 data-end=\"1053\" data-section-id=\"v6duzg\" data-start=\"1038\"\u003e Advantages\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1261\" data-start=\"1055\"\u003e\r\n\t\u003cli data-end=\"1108\" data-section-id=\"lwcmxt\" data-start=\"1055\"\u003e No tools required for saddle height adjustment\u003c\/li\u003e\r\n\t\u003cli data-end=\"1146\" data-section-id=\"13z5o3p\" data-start=\"1109\"\u003e⚖️ Lightweight alloy construction\u003c\/li\u003e\r\n\t\u003cli data-end=\"1191\" data-section-id=\"1ynbrkh\" data-start=\"1147\"\u003e???? Ideal for bikes shared between riders\u003c\/li\u003e\r\n\t\u003cli data-end=\"1261\" data-section-id=\"iajw31\" data-start=\"1192\"\u003e???? Quick adjustment for mixed-use riding (commuting, leisure, etc.)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1266\" data-start=\"1263\"\u003e\r\n\u003ch2 data-end=\"1285\" data-section-id=\"1f9mktt\" data-start=\"1268\"\u003e Limitations\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1574\" data-start=\"1287\"\u003e\r\n\t\u003cli data-end=\"1382\" data-section-id=\"1gdpac8\" data-start=\"1287\"\u003eMust match frame size exactly—28.6 mm is not interchangeable with 31.8 mm or 34.9 mm clamps\u003c\/li\u003e\r\n\t\u003cli data-end=\"1463\" data-section-id=\"14nkmko\" data-start=\"1383\"\u003eLower-quality QR levers may loosen under vibration if not properly tensioned\u003c\/li\u003e\r\n\t\u003cli data-end=\"1508\" data-section-id=\"1qviykp\" data-start=\"1464\"\u003eNot suitable for oversized modern frames\u003c\/li\u003e\r\n\t\u003cli data-end=\"1574\" data-section-id=\"sdnr26\" data-start=\"1509\"\u003eOver-tightening can deform thin steel tubing on very old frames\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1579\" data-start=\"1576\"\u003e\r\n\u003ch2 data-end=\"1598\" data-section-id=\"18xij8a\" data-start=\"1581\"\u003e Bottom line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"1753\" data-start=\"1600\"\u003eYes—this is a \u003cstrong data-end=\"1678\" data-start=\"1614\"\u003equick-release seatpost clamp designed for 28.6 mm seat tubes\u003c\/strong\u003e, mostly found on older or smaller-diameter steel and alloy bicycle frames.\u003c\/p\u003e\r\n","brand":"SPEED","offers":[{"title":"Default Title","offer_id":45662609277150,"sku":"M24","price":75.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/18049_104617.jpg?v=1778506456","url":"https:\/\/onlino-bicycle-shopco.shop\/products\/saddle-clamp-28-6mm-alloy-qr","provider":"Online Bicycle Shop","version":"1.0","type":"link"}