Modern standards - I need updating!

[foz]

There are modern standards that I need some help with, hoping someone can maybe clear things up!

Forks - What's the standard steerer size nowadays? Is 1 1/8" still widely used and available? What about tapered steerers?

Mech hangers - i don't really like SRAM, but must admit that the UDH standard looks pretty good. But will an older (7/8/9 speed) rear mech fit and work with UDH?

Seattube diameter - thinking front mech clamps, I think we had 28.6, 31.8, 34.something? Are they still the same, or is there a newer one?

BB - T47 looks like a good idea, I have avoided anything other than BSA/ITA threaded until now, but T47 seems to be an improvement, possibly?

Anything else I should know about? This would be for a rim brake frame, so don't mention discs...

 

[2manyoranges]

Damn .... discs are the best thing about modern bikes ....

 

[Takingabreak]

 

[foz]

Thinking about it, isn't UDH only for through axles and discs?

 

[bikeworkshop]

1&1/8 rigid Forks no probs
sus a different matter.

Nothing wrong with bsa unless you gone carbon

 

[2manyoranges]

There are modern standards that I need some help with, hoping someone can maybe clear things up!

Forks - What's the standard steerer size nowadays? Is 1 1/8" still widely used and available? What about tapered steerers?

Mech hangers - i don't really like SRAM, but must admit that the UDH standard looks pretty good. But will an older (7/8/9 speed) rear mech fit and work with UDH?

Seattube diameter - thinking front mech clamps, I think we had 28.6, 31.8, 34.something? Are they still the same, or is there a newer one?

BB - T47 looks like a good idea, I have avoided anything other than BSA/ITA threaded until now, but T47 seems to be an improvement, possibly?

Anything else I should know about? This would be for a rim brake frame, so don't mention discs...

re disc brakes

he hates them - although he is a bit weird about physics. All brakes operate by causing friction between the contact patch and the road; so the force acting on the crown race on the fork is the same irrespective of whether the brake is mounted at the top of the fork or near the hub. Although you DO need spokes which can handle more force since the rim caliper handles forces through the rim and then supports the rider through the crown race. Whereas the disc caliper exerts force to the hub and up the spokes to the rim and then to the contact patch.

And I have never had brake fade with discs....after massive alpine descents....that's with Hope X2s using DOT.

I think there is lot of ill-founded assertion in his analysis.

meanwhile back in the real world.....

and that's a much better-grounded analysis with an empirical base.