{"product_id":"ohlins-piston-69-48-21501-04","title":"Öhlins Piston 69\/48 – 21501-04","description":"\u003cp\u003ePiston 69\/48, Öhlins part number 21501-04. Valves and needles set the adjustable part of the damping; the piston sets the rest.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDimension B 48 mm\u003c\/li\u003e\n\u003cli\u003eÖhlins part number 21501-04\u003c\/li\u003e\n\u003cli\u003eDimension A 69 mm\u003c\/li\u003e\n\u003cli\u003eOriginal Öhlins service part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere It Sits\u003c\/h2\u003e\u003cp\u003eÖhlins gives it as 69 mm, 48 mm; nothing about that is approximate. Öhlins uses a piston band rather than metal-to-metal contact, which is what keeps the bore intact. Port area and shim seat geometry decide the damping curve before any adjuster is touched. The piston carries the shim stacks and meters the oil through its ports.\u003c\/p\u003e\u003ch2\u003eOriginal Öhlins Part\u003c\/h2\u003e\u003cp\u003eÖhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. Rebuilding to specification only works if the parts are to specification — that starts here. Order by part number — descriptions repeat across sizes, numbers do not. Service parts are ordered per piece unless stated otherwise.\u003c\/p\u003e\u003ch2\u003eIdentifying the Right Part\u003c\/h2\u003e\u003cp\u003eIf the unit is already open, compare the dimensions below with the part in your hand before ordering 21501-04. dimension a 69 mm, dimension b 48 mm is what distinguishes this number from its neighbours in the range. Öhlins uses a piston band rather than metal-to-metal contact, which is what keeps the bore intact. The piston carries the shim stacks and meters the oil through its ports.\u003c\/p\u003e\u003ch2\u003eFitting and Setup Service\u003c\/h2\u003e\u003cp\u003eAsk us about a full service: as an authorised Öhlins centre we strip, inspect, replace what is worn and set the unit back to its specification.\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 21501-04\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCategory:\u003c\/em\u003e Pistons\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDimension A:\u003c\/em\u003e 69 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDimension B:\u003c\/em\u003e 48 mm\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":53652558807306,"sku":"21501-04","price":98.64,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/21501-04_e565e5c1-9213-4b63-b357-6891b8dd1211.png?v=1788879554","url":"https:\/\/inter-pace.com\/products\/ohlins-piston-69-48-21501-04","provider":"Inter-Pace","version":"1.0","type":"link"}