{"product_id":"wilbers-wilbers-powered-by-zf-open-cartridge-kit-bmw-f-900-xr-4r90-303-0010-02","title":"Wilbers Powered by ZF Open Cartridge Kit","description":"\u003cp\u003e\u003cb\u003eBMW F-Series one-sided cartridge kit.\u003c\/b\u003e\u003cbr\u003e\nBecause the current F-Series uses asymmetrical fork legs, our solution fits a cartridge only on the right side. On the left, the stock spring is replaced with a progressive Wilbers Zero Friction spring; on the right, the non-adjustable cartridge is upgraded to a \u003ci\u003eWilbers powered by ZF\u003c\/i\u003e open cartridge with adjustable rebound and spring preload.\u003c\/p\u003e\n\u003cp\u003eCombined with Wilbers Zero Friction fork oil, you get a much more compliant fork response and a big comfort gain with ample reserves for hard braking and fast riding.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKit contents:\u003c\/b\u003e\u003cbr\u003e\n– 1× progressive Zero Friction spring for the left leg (with reduction sleeve when lowered)\u003cbr\u003e\n– 1× open cartridge for the right leg (rebound + preload adjustable)\u003cbr\u003e\n– 1–2 liters of SAE 5 fork oil\u003c\/p\u003e","brand":"Wilbers","offers":[{"title":"Default Title","offer_id":50304492208407,"sku":"303-0010-02","price":1425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7113\/0135\/files\/cartridgef850f900_665e1eb4-b26e-4fe8-9d78-dc5d2fbd6648.jpg?v=1761988387","url":"https:\/\/epmperformance.com\/products\/wilbers-wilbers-powered-by-zf-open-cartridge-kit-bmw-f-900-xr-4r90-303-0010-02","provider":"EPM Performance Imports","version":"1.0","type":"link"}