Check the listing for details. Fork Bush BMW Airhead; 31421242645 / ForkBush645. Condition: New. Listed at 10.71 USD. Euro MotoElectrics . . . Your Global Source for BMW Motorcycle Parts ! ! ! Part #: ForkBush645 Fork Bush (no longer chamfered since 1989) Vehicle Manufacturer: BMW Application: BMW Airhead Models Make/Model: BMW R45, R65, R80, R100 Model Years: 1973 - 1985 Manufacturer #: 31 42 1 242 645 Dimensions: ID 16mm, OD 24mm (See APPLICATION TABLE below to verify vehicle fitment ) Brand: EnDuraLast EME Part Number: ForkBush645 BMW Part Number: 31 42 1 242 645 Model Year R45 (248) 01/78-07/85 ECE R45/N (248) 03/78-07/85 ECE R45T (248) 10/80-06/85 ECE R45T/N (248) 09/80-07/85 ECE R65 (248) 01/78-07/85 ECE R65 (248) 07/78-04/85 USA R65GS (2471) 11/87-11/92 ECE R65LS (248) 03/81-03/85 ECE R65LS (248) 06/81-02/85 USA R65T (248) 09/80-07/85 ECE R80 (2477) 04/77-11/84 ECE R80G/S (2471) 06/80-03/87 USA R80GS (2471) 05/80-07/87 ECE R80RT (2477) 06/82-11/84 ECE R80RT (2477) 08/82-10/84 USA R80ST (2471) 04/82-10/84 ECE R80ST (2471) 10/82-10/84 USA R80TIC (2477) 06/78-01/85 ECE R100/7T (2474) 04/77-10/84 ECE R100/T (2474) 09/78-09/84 USA R100CS (2474) 06/80-10/84 ECE R100CS (2474) 09/80-09/84 USA R100RS (2474) 03/76-11/84 ECE R100RS 77-84 (2474) 05/76-10/84 USA R100RT (2474) 06/78-10/84 ECE R100RT 79-84 (2474) 04/78-09/84 USA R100TIC (2474) 11/80-09/84 ECE Thank you for shopping with Euro MotoElectrics. Your complete satisfaction is our goal. Please contact us if you are not completely satisfied with your purchase, prior to leaving feedback. We will make every effort to ensure complete satisfaction. We appreciate your business. TEAM EME~ Returns: All returns must be in original packaging where applicable and must NOT have been installed. Previously installed parts are NOT returnable. Returns must be in re-sellable condition. Please contact us if you are having problems with any item you have purchased from us. Visit My eBay Store: euro_motoelectrics