Retrobike Forum Index

It is currently Thu Dec 08, 2016 7:15 pm

* Login   * Register * Search  * FAQ



Post new topic Reply to topic  [ 6 posts ] 
Author Message
PostPosted: Tue Mar 13, 2012 2:13 am 
Retro Guru
User avatar

Joined: Mon Jun 14, 2010 11:27 pm
Posts: 1421
Location: mid cheshire
next task on my 1x9 project is cabling the rear mech & setting the gears but I realised something. I don't know how long to make the chain.

i'll be using a kmc 9 speed jobbie with a missing link but when I set the length do I follow the standard rule (big to big + 2) or can I get away with a shorter chain due to the lack of movement at the front?


Top
 Profile  
 
 Post subject:
PostPosted: Tue Mar 13, 2012 2:22 am 
Retro Guru

Joined: Mon Jul 06, 2009 10:41 pm
Posts: 334
Yep, same big-big+2 rule. You can also get away with a short cage rear mech.


Top
 Profile  
 
 Post subject:
PostPosted: Tue Mar 13, 2012 2:30 am 
Retro Guru
User avatar

Joined: Mon Jun 14, 2010 11:27 pm
Posts: 1421
Location: mid cheshire
i was after a short cage initially but decided to go for a single groupset throughout as its a budget build that is being aimed directly towards being mediocre!


Top
 Profile  
 
 Post subject:
PostPosted: Tue Mar 13, 2012 2:34 am 
Retro Guru

Joined: Mon Jul 06, 2009 10:41 pm
Posts: 334
Fair enough, a mid/long cage will work fine as well. I think short cages are just meant to shift a little better and be less susceptible to getting caught on branches, rocks etc.


Top
 Profile  
 
 Post subject:
PostPosted: Tue Mar 13, 2012 2:45 am 
retrobike rider
retrobike rider

Joined: Mon Sep 27, 2010 12:17 am
Posts: 877
Location: At The Gates Of Dawn
I was running 3 x 9 with 42/32/22 rings and normal big to big + 2 chain setup. Decided to try 1 x 9 and replaced the rings with a 36T. Didn't alter the chain length (lazy :oops: ) and everything worked fine. Still haven't taken the front mech off (lazy :oops: ) and that way everything's in order if I decide to revert to 3 x 9 :D


Top
 Profile  
 
 Post subject:
PostPosted: Tue Mar 13, 2012 12:30 pm 
Gold Trader
Gold Trader
User avatar

Joined: Wed May 20, 2009 1:29 pm
Posts: 10798
Location: Manchester, UK
unless you want to end up using two split links:

remove chainlinks one at a time until you can engage bottom gear with rear mech on almost(!) full stretch

that's the best length - the shortest!


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 6 posts ] 

All times are UTC [ DST ]


Who is online

Users browsing this forum: No registered users and 20 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:  

About Us

Follow Retrobike

Other cool stuff

All content © 2005-2015 Retrobike unless otherwise stated.
Cookies Policy.
bikedeals - the best bike deals in one place
FatCOGS - Fat Chance Owner's Group

Powered by phpBB® Forum Software © phpBB Group