{"product_id":"ohlins-fork-leg-outer-43-57-58-518-21630-17","title":"Öhlins Fork leg outer 43\/57\/58\/518 – 21630-17","description":"\u003cp\u003eFork leg outer 43\/57\/58\/518, Öhlins part number 21630-17. Axle clamps are machined so the axle clamps without pinching the fork out of alignment.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDimension A 43 mm\u003c\/li\u003e\n\u003cli\u003eOriginal Öhlins service part\u003c\/li\u003e\n\u003cli\u003eDimension C 58 mm\u003c\/li\u003e\n\u003cli\u003eÖhlins part number 21630-17\u003c\/li\u003e\n\u003cli\u003eDimension B 57 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat It Is\u003c\/h2\u003e\u003cp\u003e43 mm, 57 mm, 58 mm: that is the whole specification, and it has to match what came out. Outer tubes hold the bushings and the seal head, so their bore finish matters as much as the inner tube's outside. Fork tubes are the structural part of the front end and carry the braking load into the yokes. A marked inner tube destroys seals repeatedly until it is replaced.\u003c\/p\u003e\u003ch2\u003eOriginal Öhlins Part\u003c\/h2\u003e\u003cp\u003eÖhlins manufactures service parts on the same lines as production parts — there is no second quality. Rebuilding to specification only works if the parts are to specification — that starts here. We can check the number against the Öhlins exploded view before you order — just ask. For a full rebuild, the seal kit plus the wear parts is usually the sensible order.\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 — 21630-17 in this case. Check dimension a 43 mm, dimension b 57 mm, dimension c 58 mm against what you have removed; a close size is not the same part. Top caps carry the adjusters and the preload mechanism. Outer tubes hold the bushings and the seal head, so their bore finish matters as much as the inner tube's outside.\u003c\/p\u003e\u003ch2\u003eFitting and Setup Service\u003c\/h2\u003e\u003cp\u003eA damper rebuild is workshop work: it needs the unit dismantled, the shim stack rebuilt in the correct order and the gas charge reset. We are an authorised Öhlins service centre and do exactly that in house — send us the unit or ask us to fit the part with your order.\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 21630-17\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCategory:\u003c\/em\u003e Fork Parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDimension A:\u003c\/em\u003e 43 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDimension B:\u003c\/em\u003e 57 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDimension C:\u003c\/em\u003e 58 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":53650692768010,"sku":"21630-17","price":387.0,"currency_code":"BAM","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/21630-17_c8cf9af3-c310-4477-ac95-12f1eff1c386.png?v=1788877332","url":"https:\/\/inter-pace.com\/en-ba\/products\/ohlins-fork-leg-outer-43-57-58-518-21630-17","provider":"Inter-Pace","version":"1.0","type":"link"}