Know the rules The Paceline Forum Builder's Spotlight


Go Back   The Paceline Forum > General Discussion

Reply
 
Thread Tools Display Modes
  #31  
Old 06-02-2020, 02:28 PM
djg21 djg21 is offline
Senior Member
 
Join Date: Mar 2004
Location: Saratoga, NY
Posts: 4,134
Quote:
Originally Posted by josephr View Post
chain-rings are wear items too....last time I had to change chain-rings, it was about 10-12k miles...and 105 chain-rings run just fine that long...just taking a stab at the math, cassette is $50, chain is $25, and chainrings are another $125 for a total of $350 for 12k miles? Maybe extend your chain-ring life for another 5k miles by switching out a chain sooner, but its not like we're talking mortgage payment sized money here. Just ride.
What ever works for you. Chainrings do not wear as fast so long as you don’t use a worn chain. I get far more that 10-12k miles out of mine. I can get that much life out of my cassettes. And chainrings on my bike cost more that $125 to replace. In fact, that’s about the cost for a single chainring. I’ll leave the math to you.
Reply With Quote
  #32  
Old 06-02-2020, 03:24 PM
flying flying is offline
Senior Member
 
Join Date: Dec 2018
Posts: 339
Quote:
Originally Posted by oldpotatoe View Post
The side plates don't actually 'stretch', the rollers wear out which means on a new chain, not as many cogs are engaged=skip. I'd bet a 'new ' chain would skip but not with an old chain and old cogset
That seems logical to my mind.
Still though if accurate then Campagnolo's way of measuring chain
wear/stretch may be faulty (pic below)
Which is what I use with my dial caliper & my old chain measures 5.19" or 131.82mm?


But as to your bet...I did run the new chain today on my same cogset, no skips at all & perfect function. I will say it was a wee bit quieter & perhaps shifted a hair better than the old chain...mostly noticed on small to big ring front changes.

Lastly I had my mileage on the last chain wrong. I forgot I spent two months out of country on a different bike so subtracting those miles this Campy Chain had 9,552 miles on it


Last edited by flying; 06-02-2020 at 03:29 PM.
Reply With Quote
  #33  
Old 06-03-2020, 01:59 PM
Smitty2k1 Smitty2k1 is offline
Senior Member
 
Join Date: Sep 2019
Posts: 108
Thanks for the advice everyone - went with a 105 level cassette ($45) and chain ($25) from REI along with a super casual REI brand jersey for $30 (https://www.rei.com/product/147792/r...ng-jersey-mens)

Last edited by Smitty2k1; 06-03-2020 at 02:04 PM.
Reply With Quote
  #34  
Old 06-03-2020, 02:24 PM
dziekiel dziekiel is offline
Member
 
Join Date: Apr 2017
Posts: 32
Hmmmmm...methinks I should be checking tolerances more frequently, based on the discussions here...
Reply With Quote
  #35  
Old 06-06-2020, 12:35 AM
philhan89's Avatar
philhan89 philhan89 is offline
Member
 
Join Date: Nov 2018
Posts: 89
buy a chain checker, great tool and wont break the bank.with the first mis step in shifting, i get home check chain, if its lutside the tolerance, i trash and replace. the cleaner your chain the better life to everything. +1 on the frequent wipe off and lube. once a month i totally degrease. i like pedros cleaning products for drivetrain. eco friendly and dont suck.
Reply With Quote
  #36  
Old 06-06-2020, 06:07 AM
oldpotatoe's Avatar
oldpotatoe oldpotatoe is offline
Proud Grandpa
 
Join Date: Oct 2009
Location: Republic of Boulder, USA
Posts: 38,921
Quote:
Originally Posted by flying View Post
That seems logical to my mind.
Still though if accurate then Campagnolo's way of measuring chain
wear/stretch may be faulty (pic below)
Which is what I use with my dial caliper & my old chain measures 5.19" or 131.82mm?
No, if you look closely, it is measuring roller wear as the distance measured is from one roller to another, not pin to pin..
__________________
Chisholm's Custom Wheels
Qui Si Parla Campagnolo
Reply With Quote
  #37  
Old 06-06-2020, 11:37 AM
flying flying is offline
Senior Member
 
Join Date: Dec 2018
Posts: 339
Quote:
Originally Posted by oldpotatoe View Post
No, if you look closely, it is measuring roller wear as the distance measured is from one roller to another, not pin to pin..
Yes sure I realize my dial calipers are on the rollers
But,
If it is just roller wear I wonder why they don't just instruct to measure a few random rollers

In any case they have been around long enough & probably have their reasons

Last edited by flying; 06-06-2020 at 11:40 AM.
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 10:21 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2020, vBulletin Solutions, Inc.