Öhlins O-ring 54x2.5 FKM70The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 00638-77 |
| Category | O-Rings |
| Inner Diameter | 54 mm |
| Cross Section | 2.5 mm |
| Material | FKM 70 |
| Country of Origin | Sweden |
DescriptionThe whole story▼
O-Ring 54x2.5 FKM70, Öhlins Artikelnummer 00638-77. Die Nut gibt die Verpressung vor; zu wenig dichtet nicht, zu viel zerstört den Ring.
Wichtigste Merkmale
- Innendurchmesser 54 mm
- Original Öhlins Serviceteil
- Schnurstärke 2.5 mm
- Öhlins Artikelnummer 00638-77
- Werkstoff FKM 70
Funktion
Als Maß nennt Öhlins Innendurchmesser 54 mm, Schnurstärke 2.5 mm, Werkstoff FKM 70. Beim Einbau entscheidet die Sauberkeit: ein Staubkorn genügt für eine Undichtigkeit. Ihre Lippe läuft auf der Welle und verschleißt mit jedem Zentimeter Hub. Undichtigkeit zeigt sich zuerst als Ölfilm auf der Welle, dann als Tropfen.
Original-Öhlins-Teil
Der Wert eines Öhlins-Fahrwerks liegt in seiner Wartbarkeit — Ersatzteile gibt es für Baureihen, die längst aus dem Programm sind. Eine korrekt bestückte Überholung stellt das Ansprechverhalten wieder her, das ein müder Dämpfer verloren hat. Die Angaben stammen aus der aktuellen Öhlins-Serviceliste, nicht aus älteren Katalogen. Wer die Einheitsnummer des Federbeins kennt, bekommt von uns die passende Teileliste dazu.
Öhlins hält seine Fahrwerke über Einzelteile am Leben; deshalb lässt sich ein fünfzehn Jahre altes Federbein noch überholen statt ersetzen. Ein Dämpfer ist kein Verschleißteil im Ganzen, sondern eine Baugruppe aus Teilen, die einzeln getauscht werden können.
Die richtige Nummer finden
Wer unsicher ist, misst nach — die Angaben unten stammen aus der Öhlins-Serviceliste, 00638-77 ist die zugehörige Nummer. Die Vorspannung der Lippe kommt von einer eingelegten Ringfeder. Eine gealterte Dichtung wird hart und verliert die Vorspannung an der Lippe.
Einbau und Abstimmung
Eine Dämpferüberholung ist Werkstattarbeit: Die Einheit muss zerlegt, das Shimpaket in der richtigen Reihenfolge wieder aufgebaut und die Gasfüllung neu gesetzt werden. Wir sind autorisiertes Öhlins-Service-Center und übernehmen das komplett — sprechen Sie uns an.
Technische Daten
- Marke: Öhlins
- Artikelnummer: 00638-77
- Kategorie: O-Ringe
- Innendurchmesser: 54 mm
- Schnurstärke: 2.5 mm
- Werkstoff: FKM 70
- Herkunftsland: Schweden
Questions, one topic at a time.
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.