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In the first video not more than 15 seconds in he explains why you would want to change them.^ two styles of trunion upgrade, ones with roller bearings and ones with brass bushes (no rollers), both retained via circlips.
What are the differences in operation between these two styles and which of the two is better and in what way? Also why upgrade from the factory parts on a road car?
Unhelpful as obviously I know what is said in the video (I posted it after all). But as they may have a vested interest in spruking such products, I wanted some forum members experiences of them.In the first video not more than 15 seconds in he explains why you would want to change them.