Joined: Jan 2009
Posts: 44,171
Likes: 6,398
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
Has anyone added padding to the knob? This would result in spinning the dynamo more slowly but also reduce drag. Given what Jim says about the Union unit, this could be a plus. What materials would you use?