{"product_id":"ohlins-cylinder-head-ttx36-21070-10","title":"Öhlins Cylinder head TTX36 – 21070-10","description":"\u003cp\u003eCylinder head TTX36, Öhlins part number 21070-10. Öhlins hones its tubes to a defined surface finish rather than simply to a diameter.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eÖhlins part number 21070-10\u003c\/li\u003e\n\u003cli\u003eOriginal Öhlins service part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFunction\u003c\/h2\u003e\u003cp\u003eÖhlins publishes no separate dimension for this position, so the part number carries the identity. The cylinder tube is the working bore of the damper: the piston runs in it, and its finish decides how well the piston rings seal. The cylinder is one of the few damper parts that is genuinely wear-limited. A head that has been over-tightened distorts and stops sealing.\u003c\/p\u003e\u003ch2\u003eGenuine Service Part\u003c\/h2\u003e\u003cp\u003eRebuilding to specification only works if the parts are to specification — that starts here. Suspension is one of the few areas where the original part is genuinely the cheaper decision. Order by part number — descriptions repeat across sizes, numbers do not. Öhlins numbers do not follow a logic you can guess — always read them from the documentation.\u003c\/p\u003e\u003ch2\u003eGetting the Number Right\u003c\/h2\u003e\u003cp\u003eThe reliable route is the exploded drawing: find the position, read the number, order it — 21070-10 in this case. Öhlins does not publish a dimension here — go by the number and the exploded view. Head and tube are matched by thread and diameter; neither is interchangeable across units. It is the part that keeps oil in and grit out, which is why it is replaced whenever the unit weeps.\u003c\/p\u003e\u003ch2\u003eFitting and Setup Service\u003c\/h2\u003e\u003cp\u003eÖhlins recommends that its units are serviced by an authorised centre. We are one: rebuild, revalve and setup all happen in our own workshop.\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 21070-10\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCategory:\u003c\/em\u003e Cylinder Heads\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":53652532723978,"sku":"21070-10","price":629.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/21070-10_fcdecf6f-f2a7-4f89-80c3-a7b660b45892.png?v=1788879469","url":"https:\/\/inter-pace.com\/products\/ohlins-cylinder-head-ttx36-21070-10","provider":"Inter-Pace","version":"1.0","type":"link"}