The factory steering wheel on my 3.7 Roadster was found to be only 13 inches nominal diameter. I wanted a smaller wheel as with standard power assistance steering was too light. On advice I ordered a 13 inch wood rim Moto-Lita as they turn out to be smaller than advertised. Pleased to find mine little more than 12 inch nominal diameter and everything I'd hoped for without looking too small.

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Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone