{"product_id":"alloy-qr-post-clamp","title":"System Alloy QR Post Clamp 29.8mm ID","description":"\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cimg width=\"350\" alt=\"System Cycle\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1154\/6348\/files\/system-cycle-logo_450x@2x.png?v=1495569513\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1\u003eSystem Alloy QR Post Clamp 29.8mm ID\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe System Alloy QR Post Clamp is a quick-release seat post clamping collar designed for chromoly frames. With a 29.8mm inner diameter, it accommodates standard 27.2mm seat posts on frames with integrated or standard seat post bores. The quick-release mechanism enables tool-free seat post adjustment and removal.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQuick-release mechanism\u003c\/strong\u003e – Tool-free lever allows rapid seat post height adjustment and removal without bolt tools. Ideal for quick setup changes, transportation, and seat post swaps during training or competition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy construction\u003c\/strong\u003e – Lightweight aluminum body reduces weight while maintaining adequate clamping strength. Durable alloy resists corrosion and maintains finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e29.8mm inner diameter\u003c\/strong\u003e – Engineered bore precisely fits chromoly and steel frame seat tubes. Tight tolerance ensures adequate clamping force without excessive tightness that could damage frame material.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e27.2mm seat post compatibility\u003c\/strong\u003e – Accommodates standard oversize BMX and mountain bike seat post diameter. Works with typical contemporary seat post sizes without adapters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChromoly frame specific\u003c\/strong\u003e – Designed for steel and chromoly frame construction, optimizing clamping geometry for these materials without damaging thin-wall tubing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReliable clamping\u003c\/strong\u003e – Quick-release design maintains consistent clamping force across repeated adjustments. Prevents seat post rotation or slippage during riding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimple installation\u003c\/strong\u003e – Straightforward bolt-on assembly requires minimal tools. Easy removal for frame inspection or seat post replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Quick-release seat post clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy (aluminum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner diameter:\u003c\/strong\u003e 29.8mm (for Cr-Mo frames)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat post compatibility:\u003c\/strong\u003e 27.2mm diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanism:\u003c\/strong\u003e Quick-release lever\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame type:\u003c\/strong\u003e Chromoly and steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility and Ideal Use Cases\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChromoly and steel BMX frames with standard seat post bores\u003c\/li\u003e\n\u003cli\u003e27.2mm diameter seat posts\u003c\/li\u003e\n\u003cli\u003eAll BMX frame styles and riding disciplines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuick seat post height adjustment during training or racing\u003c\/li\u003e\n\u003cli\u003eRapid seat post removal for transportation or storage\u003c\/li\u003e\n\u003cli\u003eChromoly frame builds prioritizing tool-free operation\u003c\/li\u003e\n\u003cli\u003eRiders seeking quick-release convenience without bolts\u003c\/li\u003e\n\u003cli\u003eCompetitive BMX racing with frequent setup changes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Cycle","offers":[{"title":"System Alloy QR Post Clamp","offer_id":45036510216371,"sku":"SC90063","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/SC90063J1_5e94a410-3edc-4372-928c-7f9ac72cf92b.jpg?v=1780106046","url":"https:\/\/time2shinebmx.com\/products\/alloy-qr-post-clamp","provider":"Time 2 Shine ","version":"1.0","type":"link"}