Thursday, June 22

framebuilding

I want to build a frame. Lugged steel. Something unique. A commuter/citybike type thing. Transportation, not sport.

As a first step, I have been reading all I can about frame geometry, especially from people who make bikes for normal riding, rather than racing.

Here is a quick survey of bike geometries:









frame HT (deg) ST (deg) CS (mm) BB Drop (mm) BB height (mm)
ANT Boston Roadster 72 73 480 80
Rivendell Atlantis 72 72 455 80
Matt Chester Utilitiman 72 72 432 ~58 311
Surly Karate Monkey 72 73 431 68
Redline Monocog 29er 72 73 445 ~64 305
Surly Crosscheck 72 73 425 66
Surly Pacer 73 73 415 72
IRO Rob Roy 73 73 425 65


I want relaxed angles, long chainstays and handlebars that are leve with the seat. Now to start designing something...

0 Comments:

Post a Comment

<< Home