Basically, the nearer the straddle wire to the tyre the more leverage. Shimano straddles wires are designed at 90degrees.
Sheldon explains it http://http://www.sheldonbrown.com/cantilever-geometry.html
And this article shows it http://www.drystonepaul.com/maintenance_guides/MBUK_Canti_October_1995.jpg
But if they are working Ok, it doesn't matter. Smart looking build
@paininthe started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Basically, the nearer the straddle wire to the tyre the more leverage. Shimano straddles wires are designed at 90degrees.
Sheldon explains it http://http://www.sheldonbrown.com/cantilever-geometry.html
And this article shows it
http://www.drystonepaul.com/maintenance_guides/MBUK_Canti_October_1995.jpg
But if they are working Ok, it doesn't matter. Smart looking build