{"product_id":"k-tech-dds-closed-cartridge-kit-yamaha-yzf-r7","title":"K-Tech DDS Closed Cartridge Kit for Yamaha YZF-R7 (2021–2026) – 155-021-270-015","description":"\u003cp\u003eIf you want noticeably sharper, more consistent front-end feel from your Yamaha YZF-R7 without committing to a full fork rebuild, the K-Tech DDS Closed Cartridge Kit is the most practical, highest-value upgrade available. Designed specifically for the YZF-R7's stock fork legs (model years 2021–2026), it transforms the factory damping character using race-proven technology developed in the British Superbike championship and at the Isle of Man TT — yet it remains fully road-legal and adjustable enough for everyday commuting as well as weekend track days.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e30-way independent compression and rebound adjustment gives you precise, repeatable damping settings for road or track without guesswork.\u003c\/li\u003e\n\u003cli\u003ePatented Direct Damping System (DDS) eliminates cavitation so performance stays consistent whether you are threading through city traffic or braking hard into a corner at speed.\u003c\/li\u003e\n\u003cli\u003eAsymmetric, independently operating damping circuits improve response time and dynamic handling feel compared to the standard cartridge.\u003c\/li\u003e\n\u003cli\u003e20 mm piston and 31 mm control valves work together to deliver superior oil flow and finer damping control across the full stroke range.\u003c\/li\u003e\n\u003cli\u003e18 mm preload adjustment allows you to dial in spring rate to suit your weight, luggage load, or riding style without specialist tools.\u003c\/li\u003e\n\u003cli\u003eIncreased stroke over the original cartridge extends usable suspension travel, improving bump absorption on uneven road surfaces.\u003c\/li\u003e\n\u003cli\u003eSupplied with three pairs of springs and dedicated installation tools, so you have everything needed for a personalised baseline setup from day one.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDDS Technology Explained\u003c\/h2\u003e\u003cp\u003eK-Tech's Direct Damping System places the damping circuits in a closed cartridge format that works directly on the oil column rather than relying on the loose shimstack arrangements found in many OEM forks. A spring force keeps the internal components under constant load, preventing the oil aeration and pressure drops — cavitation — that cause the vague, inconsistent feel that plagues hard-driven stock forks. The result is a front end that responds the same way lap after lap, or mile after mile, regardless of temperature or pace.\u003c\/p\u003e\u003cp\u003eThe 8 mm piston rod reduces system offset, keeping internal geometry tight and contributing to the overall refinement of the damping curve. Combined with the 20 mm primary piston and the 31 mm control piston, every element of the hydraulic circuit is sized to work in harmony with the YZF-R7's fork dimensions rather than being adapted from a generic platform.\u003c\/p\u003e\u003ch2\u003eRoad and Track Versatility\u003c\/h2\u003e\u003cp\u003eRace-developed hardware does not have to mean race-only hardware. The 30-way compression and rebound adjusters make it straightforward to run a softer, more compliant setting for long road rides and then firm everything up for a track day, all with a small flathead screwdriver and the supplied tools. The recommended baseline settings — 16 clicks compression, 18 clicks rebound, 10 mm preload — give a well-balanced starting point that works for a wide range of riders and conditions, so the kit delivers tangible improvements immediately, even before you begin fine-tuning.\u003c\/p\u003e\u003ch2\u003eFitment and Compatibility\u003c\/h2\u003e\u003cp\u003eThis cartridge kit is engineered exclusively for the standard forks fitted to the following model:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eYamaha YZF-R7 — model years 2021, 2022, 2023, 2024, 2025, 2026\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eInstallation must be carried out by an authorised K-Tech Service Centre to ensure correct assembly, oil fill, and safety. Fitting by an unqualified workshop may void the product warranty and compromise performance.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eK-Tech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e155-021-270-015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eYamaha YZF-R7 (2021–2026)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring series\u003c\/td\u003e\n\u003ctd\u003e36-260\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner diameter\u003c\/td\u003e\n\u003ctd\u003e20 mm \/ 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter (piston rod)\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCartridge length\u003c\/td\u003e\n\u003ctd\u003e717 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompression adjustment\u003c\/td\u003e\n\u003ctd\u003e30-way; recommended baseline 16 clicks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRebound adjustment\u003c\/td\u003e\n\u003ctd\u003e30-way; recommended baseline 18 clicks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePreload adjustment\u003c\/td\u003e\n\u003ctd\u003e18 mm range; recommended baseline 10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"K-Tech","offers":[{"title":"Default Title","offer_id":53168846209290,"sku":"155-021-270-015","price":1714.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/DDS4_69a89a1e-d630-48ef-88f9-9ef6eb2e80d8.png?v=1780817382","url":"https:\/\/inter-pace.com\/en-jo\/products\/k-tech-dds-closed-cartridge-kit-yamaha-yzf-r7","provider":"Inter-Pace","version":"1.0","type":"link"}