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Apparently George Behring used to be a framebuilder in the St. Louis area, and was a racer and a member of the Saint Louis Cycling Club. Unfortunately, like many small builders of the 1980s, there's v …

There are few, if-any, belt-specific frames in the market now, which keeps prices high. …

The previous question of Why don't frame manufacturers ream/face their frames? addresses a little bit how a new frame can end up needing to be faced. … In general many frames manufactured today don't need it, but if you are having issues it's certainly worth pursuing. …

Steel dropouts are typically 5mm thick, while aluminum frames can have 8mm thick dropouts. …

The seat tube is split because it has rear suspension - the rear of the bike rotates around a pivot located just in front of the bottom bracket. Several early full-suspension bikes used a similar des …

The real issue is in the top tube length. Basically, for shorter riders you need to move the handlebars closer to the seat. But then you have to deal with the wheel possibly colliding with the pedal …

It's likely that Sheldon's concern was for galvanic corrosion between carbon fiber and aluminum. This is an issue that's well-trod in both the bicycle and aeronautics fields. In essence, in the pres …

(Expensive options like an eccentric bottom bracket or sliding dropouts would work here as well, but those are rare to find on inexpensive frames.) …

Bosses in aluminum frames are typically rivet nuts, aka "pem nuts", which have a head that should be too large to slip back into the frame. … For your frame, it sounds like the Park Tool directions for securing bosses on carbon frames should work equally well. …