{"product_id":"pro-tharsis-dropper-seatpost-100mm-30-9-31-6mm-replacement-spring-cartridge","title":"PRO Tharsis Dropper Seatpost 100mm Travel with Replacement Spring Cartridge for 30.9 \u0026 31.6mm Frames","description":"\u003cp\u003eThe PRO Tharsis Dropper Seatpost offers smooth, reliable height adjustment with its 100mm travel. Designed for easy installation, it fits 30.9 and 31.6mm frames and includes a replacement spring cartridge to maintain peak performance.\u003c\/p\u003e\n\n\u003cp\u003eEngineered for durability and precise control, this seatpost upgrade enhances your riding comfort and versatility on varied terrain. Trust in genuine PRO components for lasting quality and compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eQuick and smooth seat height adjustment\u003c\/li\u003e\n  \u003cli\u003eCompatibility with 30.9 and 31.6mm frames\u003c\/li\u003e\n  \u003cli\u003eMaintaining performance with replacement spring cartridge\u003c\/li\u003e\n  \u003cli\u003eImproving ride comfort and control on trails\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFrames outside 30.9 or 31.6mm diameter\u003c\/li\u003e\n  \u003cli\u003eRiders needing more than 100mm drop\u003c\/li\u003e\n  \u003cli\u003eUse without proper installation or maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this seatpost compatible with my bike frame?\u003c\/strong\u003e\u003cbr\u003eThis dropper fits frames with 30.9mm or 31.6mm seat tube diameters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace the spring cartridge myself?\u003c\/strong\u003e\u003cbr\u003eYes, the replacement spring cartridge is designed for easy servicing to keep your seatpost working smoothly.\u003c\/p\u003e","brand":"PRO","offers":[{"title":"Black \/ One size","offer_id":47380204159151,"sku":"PRSSP0215B","price":60.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/PRSSP0215B.jpg?v=1787136047","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/pro-tharsis-dropper-seatpost-100mm-30-9-31-6mm-replacement-spring-cartridge","provider":"Swinnerton Cycles","version":"1.0","type":"link"}