Dunlop Wire Wheels Hub Guide

Wheel Centre Sizes

Wheel Type Note 1	Actual Hub Diameter Note 2	Number of Splines	Spline Length Short Hub	Spline Length Long Hub
35	52 mm	62	36 mm	56 mm
42	62.5 mm	75	37 mm	62 mm
52	73 mm	88	37 mm	62 mm
62	82.5 mm	100	57 mm	78 mm
72	92 mm	112	55 mm	84 mm
80	102 mm	124	58 mm	87 mm
90	111.5 mm	136	56 mm	94 mm
100	123 mm	150	59 mm	97 mm
120	137 mm	168	63 mm	101 mm

Note 1: The wheel type designation refers to the maximum size of outer bearing, in millimetres, which can be used with that hub.

Note 2: Actual hub diameter is measured across the outside of the splines on the car and not the wheel itself. Dimensions are ±½mm.

In Europe most splined hubs are of the Rudge-Whitworth type having V-shaped serrations with dimensions as above.

On Rolls-Royces, you may find RAF type hubs which have square splines.

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