Bike frames are simple on the surface ... small portion of trips to more active forms of transport is an important part of lowering carbon emissions, so making bikes a more attractive means ...

AERODYNAMICS have preoccupied bicycle designers since the early part of this century. The most advanced bicycles today are deployed in track racing. The recently unveiled SB II, or Superbike II, has a ...

It's 75 pounds with some 10-15 pounds in weight savings over a comparable aluminum frame, per Roberson. Part of that is explained by the Hero being a big bike capable of carrying riders of all sizes.

parts of the bike, anyway (a frame with crank, fork, and handlebars) — that reportedly sold for $2,500. The thing with collectibles, though, is that they're only worth what someone else is ...