Retrobike Forum Index

It is currently Mon Dec 05, 2016 9:58 am

* Login   * Register * Search  * FAQ



Post new topic Reply to topic  [ 4 posts ] 
Author Message
PostPosted: Tue Jul 17, 2007 4:16 am 
Retro Guru
User avatar

Joined: Mon Oct 17, 2005 4:40 am
Posts: 871
Location: California
My friend Alan Bonds built this for a town bike, and it is the sweetest thing I ever saw.

Frame is a Giant carbon-fibre, with Bontrager CF forks. Alan used an idler because it is a derailleur frame and there is no other way to tension the chain. He has a double front chainring, but no front mech, so he shifts by hand depending on where he is about to ride. Big ring in town, small ring for trails.

This bike is road bike light, about the same as my CF LeMond road bike. Maybe 21 pounds. It feels like a feather after hoisting my FS MTB.

Alan shared the house with me and Gary Fisher back in the Repack racing days, and builds beautiful classic "clunkers." See his website at clunkers.net.


Attachments:
Giant_01.jpg
Giant_01.jpg [ 223.49 KiB | Viewed 1023 times ]
File comment: Drive train, showing two-speed chainrings and idler.
Giant_02.jpg
Giant_02.jpg [ 206.11 KiB | Viewed 1023 times ]
File comment: Bontrager carbon-fibre fork.
Giant_03.jpg
Giant_03.jpg [ 247.28 KiB | Viewed 1023 times ]
Giant_04.jpg
Giant_04.jpg [ 248.97 KiB | Viewed 1023 times ]
Top
 Profile  
 
PostPosted: Tue Jul 17, 2007 4:43 am 
Retro Guru
User avatar

Joined: Fri Sep 22, 2006 1:12 am
Posts: 2461
Location: Hobart, Tasmania, Australia
Repack Rider wrote:
Alan used an idler because it is a derailleur frame and there is no other way to tension the chain. He has a double front chainring, but no front mech, so he shifts by hand depending on where he is about to ride. Big ring in town, small ring for trails.


If he didn't need to change ring up the front, a half link chain will remove the need for a chain tensioner.

Pretty much all SSrs that i know have gone this option.


Top
 Profile  
 
 Post subject:
PostPosted: Thu Jul 19, 2007 11:27 pm 
The Guv'nor
The Guv'nor
User avatar

Joined: Sun Jul 03, 2005 11:19 pm
Posts: 23175
Location: Retrobike HQ
that's a very cool and clean looking ride


Top
 Profile  
 
 Post subject:
PostPosted: Mon Jul 23, 2007 8:59 pm 
Retro Guru

Joined: Tue Sep 27, 2005 8:52 pm
Posts: 546
Location: South West
Sound very practical.

What's the chain line like when he runs the smaller ring, or does the tensioner move sideway a bit or something?


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 4 posts ] 

All times are UTC [ DST ]


Who is online

Users browsing this forum: Mahoney1978, markdoyle75 and 26 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