{"product_id":"sram-x4-long-cage-rear-derailleur-7-8-9-speed-mtb-black-di-r-t-technology","title":"SRAM X4 Long Cage Rear Derailleur 7\/8\/9 Speed MTB Black Di.R.T. Technology","description":"\u003cp\u003eThe SRAM X4 Rear Derailleur in black offers precise shifting for 7, 8, and 9-speed drivetrains. Featuring a long cage design, it ensures smooth chain management and reliable performance on all MTB rides. Built with lightweight 6061 alloy and steel\/composite cage, it combines durability with efficiency.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with Direct Route Technology (Di.R.T.) and a 1:1 actuation ratio, this derailleur delivers accurate gear changes, enhancing your riding experience. Its replaceable pulleys extend component life, making it a smart choice for mountain biking enthusiasts.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecise shifting across 7, 8, and 9-speed setups\u003c\/li\u003e\n  \u003cli\u003eDurable construction with lightweight materials\u003c\/li\u003e\n  \u003cli\u003eLong cage design for optimal chain tension\u003c\/li\u003e\n  \u003cli\u003eEasy maintenance with replaceable pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with drivetrains outside 7-9 speed range\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty downhill riding beyond typical MTB use\u003c\/li\u003e\n  \u003cli\u003eNon-mountain bike transmission systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this derailleur compatible with 9-speed systems?\u003c\/strong\u003e\u003cbr\u003eYes, it supports 7, 8, and 9-speed drivetrains seamlessly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace the pulleys myself?\u003c\/strong\u003e\u003cbr\u003eAbsolutely, the derailleur features replaceable pulleys for easy maintenance and longer lifespan.\u003c\/p\u003e","brand":"Sram","offers":[{"title":"Default Title","offer_id":45478630719663,"sku":"RDPX4L","price":23.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1389356302-99885200.jpg?v=1768524492","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/sram-x4-long-cage-rear-derailleur-7-8-9-speed-mtb-black-di-r-t-technology","provider":"Swinnerton Cycles","version":"1.0","type":"link"}