Bottom bracket powermeter - square/octalink/huh?

Workshop tales, trials and disasters.
Maintenance tips, techniques and myths.
Technical discussion, description and outright lies

Bottom bracket powermeter - square/octalink/huh?

Postby Ant. » Fri Oct 31, 2008 10:17 pm

Warning - semi long and boring read, but I'd love answers.

I'll be the first to admit, I'm not a full book on anything cycling, except for the pedalling part, and the changing of tyres (which takes me a good six minutes on a quick-nothing-goes-wrong day).

My roadie at the moment isn't very great (masi nuova strada), however I've prioritised that i'll chuck a powermeter in it before upgrading the frame around it.
Ergomo pro power meter is what I'll go for - it's what is on my TT bike, so I can keep the same computer and just buy a sensor, plus I really really dig the layout, the altitude part and the % gradient, etc. Never owned a different power meter and do not plan too.

Essay over. Sorry guys.

These are the options I can get:
ergomo® pro ISO square BSA 102 mm
ergomo® pro ISO sguare BSA 111 mm
ergomo® pro ISO square ITA 102 mm
ergomo® pro ISO square ITA 111 mm
ergomo® pro Octalink BSA 109,5 mm
ergomo® pro Octalink BSA 118,5 mm
ergomo® pro Octalink ITA 109,5 mm
ergomo® pro Octalink ITA 118,5 mm
ergomo® pro ISIS BSA 108 mm
ergomo® pro ISIS BSA 113 mm
ergomo® pro ISIS BSA 118 mm
ergomo® pro ISIS ITA 108 mm
ergomo® pro ISIS ITA 113 mm
ergomo® pro ISIS ITA 118 mm


Now, here's where I have a stony cold look on my face. I don't know what I don't know. The dura ace stuff on my TT bike is pretty funky, so my eventual roadie will have them, err, answer the questions that I want to ask :D

edit. What one do I buy, and why? <-- that seems to be the question. Any further bottom bracket education however, will be thoroughly appreciated.
Ant.
 
Posts: 758
Joined: Sun Oct 26, 2008 8:34 am
Location: Perth

by BNA » Sat Nov 01, 2008 8:45 pm

BNA
 

Postby ozlegacy » Sat Nov 01, 2008 8:45 pm

ISO square is the old square tapered stuff
octalink is the older style BB from about 3-4 years ago/
ISIS i belive is the new hollow crank stuff

Then you have either italian or British standard threading, then the BB width two sizes

I might be wrong on the cranks, but basically what bottom bracket are you runnign? once we know that it's probably a easier choice
Been affected by cancer? Know somebody who has been? Read about what I am doing about it http://www.bicycles.net.au/forums/viewtopic.php?f=12&t=37465
User avatar
ozlegacy
 
Posts: 529
Joined: Tue Jan 15, 2008 8:41 am
Location: Sydney

Postby Nobody » Sun Nov 02, 2008 7:37 am

Nobody
 
Posts: 6640
Joined: Thu Sep 18, 2008 12:10 pm
Location: Sydney

Postby twizzle » Mon Nov 03, 2008 11:40 am

Interesting stuff.... After reading the Wikipedia, I'd be going for the square taper.
I ride, therefore I am.
...real cyclists don't have squeaky chains...
User avatar
twizzle
 
Posts: 6382
Joined: Wed Aug 13, 2008 11:45 am
Location: Taking a break.


Return to The Shed

Who is online

Users browsing this forum: Google [Bot]



Popular Bike Shops
Torpedo 7 Torpedo7 AU
Ground Effect Ground Effect NZ
Chain Reaction Cycles CRC UK
Wiggle Wiggle UK
Ebay Ebay AU

“Bicycles BNA Twitter
“Bicycles BNA Facebook
“Google+ BNA Google+
“Bicycles BNA Newsletter

> FREE BNA Stickers
> BNA Cycling Kit