HD-OEM: 35635-69 Part Number: 17-0094 Manufacturer: V-Twin UOM: 1 - EA Summary: 7-tooth drive gear provides the speedometer with the proper RPM. The inner diameter measures 55.58mm. Type: 4-Speed Fitment: FL 1969-1980 FLH 1969-1980 Tech. Notes: Suggested to use with #36-0812 23 Tooth Speedometer Drive Unit. Measurements: Outer Diameter: 2.621" Inner Diameter: 2.174" Thickness: .315" Country of Origin: Imported