{"product_id":"ohlins-valve-assy-dia-0-8-bleed-4-0-05666-08","title":"Öhlins Valve assy dia. 0.8 bleed 4.0 – 05666-08","description":"\u003cp\u003eValve assy dia. 0.8 bleed 4.0, Öhlins part number 05666-08. Port area and shim seat geometry decide the damping curve before any adjuster is touched.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOriginal Öhlins service part\u003c\/li\u003e\n\u003cli\u003eÖhlins part number 05666-08\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat It Is\u003c\/h2\u003e\u003cp\u003eThere is no measurement to check here — the number and the exploded view identify it. Twin-tube pistons have separate paths for compression and rebound, which is the whole point of the design. Rebuilding a piston means keeping the shim order, because the stack is the tuning. A worn piston band lets oil past the outside of the piston, which shows up as damping that has gone soft.\u003c\/p\u003e\u003ch2\u003eGenuine Service Part\u003c\/h2\u003e\u003cp\u003eBuying the individual part rather than a complete assembly is what makes servicing an Öhlins unit worthwhile. Öhlins lists this part under its own number in the service catalogue so a workshop can order exactly what it needs. Order by part number — descriptions repeat across sizes, numbers do not. Ask us before ordering if you are unsure: a wrong part in a pressurised unit is an expensive lesson.\u003c\/p\u003e\u003ch2\u003eGetting the Number Right\u003c\/h2\u003e\u003cp\u003eÖhlins identifies this position by the number 05666-08 in the exploded view for the unit it belongs to. This position has no published dimension, so the part number is the only reliable identifier. A worn valve bleeds damping away without any visible symptom. The piston carries the shim stacks and meters the oil; its port layout is what makes an Öhlins damper behave the way it does.\u003c\/p\u003e\u003ch2\u003eFitting and Setup Service\u003c\/h2\u003e\u003cp\u003eIf you would rather not open the damper yourself, we can do it — we are an authorised Öhlins service centre and rebuild these units as a matter of routine.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003eBrand:\u003c\/em\u003e Öhlins\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003ePart Number:\u003c\/em\u003e 05666-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCategory:\u003c\/em\u003e Valves\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCountry of Origin:\u003c\/em\u003e Sweden\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Öhlins","offers":[{"title":"Default Title","offer_id":53649995333898,"sku":"05666-08","price":26.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/05666-08_3ea6cd59-dd6c-488e-989d-73eae29f6f45.png?v=1788876992","url":"https:\/\/inter-pace.com\/en-gi\/products\/ohlins-valve-assy-dia-0-8-bleed-4-0-05666-08","provider":"Inter-Pace","version":"1.0","type":"link"}