Joined: Jan 2009
Posts: 44,049
Likes: 6,249
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
I think you've misunderstood the advice you've received. Reducing the number of gears won't help you whatsoever. The number of gears available on a bike have a tiny effect on the bike's weight. Keep the gears you have.