{"product_id":"ohlins-piston-69-48-21501-01","title":"Öhlins Piston 69\/48 – 21501-01","description":"\u003cp\u003ePiston 69\/48, Öhlins part number 21501-01. Jets meter fixed bleed flow and are sized in tenths of a millimetre.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDimension B 48 mm\u003c\/li\u003e\n\u003cli\u003eDimension A 69 mm\u003c\/li\u003e\n\u003cli\u003eÖhlins part number 21501-01\u003c\/li\u003e\n\u003cli\u003eOriginal Öhlins service part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFunction\u003c\/h2\u003e\u003cp\u003eThe published figures are 69 mm, 48 mm. Measure the old part against them before ordering. Jets meter fixed bleed flow and are sized in tenths of a millimetre. Rebuilding a piston means keeping the shim order, because the stack is the tuning. Port area sets how much oil can pass before the shims begin to lift.\u003c\/p\u003e\u003ch2\u003eOriginal Öhlins Part\u003c\/h2\u003e\u003cp\u003eÖhlins publishes dimensions for its service parts so a workshop can verify before it fits. Öhlins numbers every position so a workshop can order precisely what it needs, not a whole assembly. Service parts are ordered per piece unless stated otherwise. If you are unsure which number your unit takes, send us the model and serial number of the damper and we will look it up.\u003c\/p\u003e\u003ch2\u003eIdentifying the Right Part\u003c\/h2\u003e\u003cp\u003eÖhlins identifies this position by the number 21501-01 in the exploded view for the unit it belongs to. The published dimensions are dimension a 69 mm, dimension b 48 mm — measure the old part against them if you are unsure. Needle geometry sets the shape of the adjustable range, not just its size. Rebuilding a piston means keeping the shim order, because the stack is the tuning.\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 21501-01\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":53652558250250,"sku":"21501-01","price":51.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/21501-01_2efcc2cf-eeb3-4dca-886e-fce9ff87e0f4.png?v=1788879551","url":"https:\/\/inter-pace.com\/products\/ohlins-piston-69-48-21501-01","provider":"Inter-Pace","version":"1.0","type":"link"}