Originally Posted by
VegasJen
Is there any voodoo to replacing a crankset?
Originally Posted by
VegasJen
I have contacted Bikesmith and he is recommending a 150mm crankset. He has one available, but I have to admit, that big of a jump kind of scares me a little bit. I was thinking 160, or maybe down to 155mm. I'm probably going to go with it, especially since this is for the TT bike. If I like it, I'm probably going to go smaller on my road bikes, but may only go to 160 on them.
For the crank length:
The amount you shorten the crankarms, you will need to raise your saddle a similar distance. This will also change the rest of your fit.
at 5'4" 150-160mm should work for you. It's all about the inseam.
Closer to 150mm for road and closer to 160 for MTB
You'll likely notice a higher cadence and less hip sway and maybe less saddle sores
Gearing might have to be adjusted depending how picky you are.
I'm only slightly taller than you and went from 170 and 175 and shortened them to 150 and 155. Later adjusted to 160-165 when I upgraded
I was going to go on a rant about crankarm shortening but the engineering nerds covered most of it, and it looks like you don't need it.
Final note:
If anyone uses BMX cranksets use caution
The chainline is usually around 43-45mm and not really suitable with most ROAD and MTB frames.
Originally Posted by
choddo
You may have skipped the internal pressfit era completely by doing that. They're all switching to T47 threaded now. The bearings are still pressfit though, into cups which are threaded.
https://wheelsmfg.com/blog/what-is-a...m-bracket.html (blog post is a bit old)
A lot to be said for keeping things maintainable. Someone expressed shock at my lack of electronic shifting and disc brakes on my 2019 bike at the weekend
I did not know that! (thanks!)