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Well, bear in mind this was just a random shooting the breeze type conversation between strangers and was more than 20 years ago … however, as I recall he argued that the use of grease in bearings relied on the bearing turning fast enough to generate enough heat to melt the grease and only then would the resultant fluid actually lubricate the bearings. Therefore he thought that on a bike, where the bearings did not turn fast enough to generate the requisite heat it was more logical to use oil and not grease.
The fork question turned on whether the curve of the fork actually provided any material suspension effect, he (and I) thought that it did not and that the tyre provided sufficient suspension (for a road bike).
Jolly sorry to read this. I met him just once in Borwell’s Cycles in Norwich and still remember a slightly random conversation about the suitability of using grease in wheel bearings and whether forks needed to be curved …
As has been said he did an amazing amount to make cycling part of the national consciousness.