HOT: Active* forum members generally gain 5% discount at starbike.com store!
Weight Weenies
* FAQ    * Search    * Trending Topics
* Login   * Register
HOME Listings Articles FAQ Contact About




Post new topic Reply to topic  [ 2 posts ] 
Author Message
 Post subject: Powertap SL 2.4 bearings
PostPosted: Sat Jun 16, 2012 8:45 pm 
Offline

Joined: Tue May 15, 2007 5:54 pm
Posts: 33
I've been using an older Powertap SL 2.4 hub over the past few years, and am having issues with the bearings that I'm guessing is due to premature wear.

The original bearings lasted around 8,000 - 10,000 km before I replaced them due to excessive play. I replaced them with a set of HSC hybrid ceramic bearings. They ran great for a while, then developed excessive play by around 5,000 - 6,000 km, then suffered bearing failure whereby one of the seals popped open and some of the ceramic bearing fell out during a ride! Obviously I was not impressed!

My newest bearings are a set of hybrid ceramic VXB. Again, they worked fine and were smooth as silk for the first 3,000 km or so, but now they too have excessive play. I'm concerned that they too will fail soon.

My question is why these bearings are not lasting any longer. Is it a problem with the design of the hub, and is this what I can expect in the future? Is it a problem with the quality of the bearings I've been using? Would I get better life out of a name brand steel bearing like SFK or FAG?

FWIW, I've installed the replacement bearings myself using a home-made bearing press. I use a thread rod with washers that are large enough to apply pressure only on the outer bearing race and not the inner one.

I'd appreciate any thoughts you might have on this matter!

Thanks in advance!


Top
 Profile  
 
 Post subject: Powertap SL 2.4 bearings
Posted: Sat Jun 16, 2012 8:45 pm 


Top
  
 
PostPosted: Sun Jun 17, 2012 12:14 am 
Offline

Joined: Tue Nov 11, 2003 9:47 pm
Posts: 1450
Location: Santa Cruz, California, USA
Try steel bearings. Bicycle-market ceramics often have loose seals that let dirt and water in.


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 2 posts ] 


Who is online

Users browsing this forum: 252002, astranoc, BRM, canbakay, crimsonbadger, erik$, Exabot [Bot], Google [Bot], IhmeKameli, RippedUp, rmerka, weekapaugin and 64 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  

   Similar Topics   Author   Replies   Views   Last post 
There are no new unread posts for this topic. Powertap G3 bearings

[ Go to page: 1, 2 ]

in Road

Milese

17

872

Thu Jan 30, 2014 8:24 pm

Milese View the latest post

There are no new unread posts for this topic. Using a Powertap G3 in sub zero temps?

in Road

nagge

2

326

Wed Nov 13, 2013 10:52 pm

jekyll man View the latest post

There are no new unread posts for this topic. Powertap 2.4 SL Not working..

in Road

addicted

6

526

Fri Aug 30, 2013 6:03 pm

addicted View the latest post

There are no new unread posts for this topic. PowerTap SLC+ - any good?

in Road

Bregnhoj

5

438

Mon Jan 13, 2014 7:45 pm

showdown View the latest post

There are no new unread posts for this topic. Tune Mag 170; dead bearings

[ Go to page: 1, 2 ]

in Road

OwenJames

18

920

Mon Oct 28, 2013 11:12 pm

jpanspac View the latest post


It is currently Thu Apr 24, 2014 4:43 pm

All times are UTC + 1 hour




Advertising   –  FAQ   –  Contact   –  Convert   –  About

© Weight Weenies 2000-2013
hosted by starbike.com


How to get rid of these ads? Just register!


Powered by phpBB