Parts › GREEVES CHALLENGER MX4,5,6 AND GRIFFON CHAINCASE BREATHER PLUG FIBRE WASHER PART NUMBER NBW246 Image 1 of 2 Image 2 of 2 GREEVES CHALLENGER MX4,5,6 AND GRIFFON CHAINCASE BREATHER PLUG FIBRE WASHER PART NUMBER NBW246 £0.24 FIBRE WASHER ALSO FITS GRIFFON GEARBOX FILLER Quantity: Add To Cart Added! FIBRE WASHER ALSO FITS GRIFFON GEARBOX FILLER