Go Back  Bike Forums > Bike Forums > Classic & Vintage
Reload this Page >

Modifying a French Chain guard for a derailleur

Search
Notices
Classic & Vintage This forum is to discuss the many aspects of classic and vintage bicycles, including musclebikes, lightweights, middleweights, hi-wheelers, bone-shakers, safety bikes and much more.

Modifying a French Chain guard for a derailleur

Thread Tools
 
Search this Thread
 
Old 08-19-15, 08:49 AM
  #1  
Member
Thread Starter
 
Join Date: Nov 2013
Location: Sandy Eggo
Posts: 43

Bikes: 1950 Raleigh Clubman, 1964 Olmo Special, 1972 Lambert Aerospace Grand Prix, 1972 Nishiki Flipster, 1977 Miyata Arch Bar, 1978 Raleigh DL-1 Tourist

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Modifying a French Chain guard for a derailleur

Hello Enthusiasts,

Here are some in progress photos of my Velo Orange French chain guard. I wanted to use it because I love the styling, but it's only meant to be used with single speed cranks. I didn't want to change any components.

So I'm modifying it to make room for the derailleur

Marking where I want to cut it:
Untitled by dakota_in_the_sky, on Flickr

Rounding off the corners with a pneumatic grinder
Untitled by dakota_in_the_sky, on Flickr

Making cuts with a pneumatic metal cutter
Untitled by dakota_in_the_sky, on Flickr

Using a nail file to finish it off
Untitled by dakota_in_the_sky, on Flickr

Added a new hole and rounded off the edges
Untitled by dakota_in_the_sky, on Flickr

All done with the shaping. Sanded with sandpaper to get rid of the shine and make it look vintage
image by dakota_in_the_sky, on Flickr

On the bike for mock up. Installation next time
image by dakota_in_the_sky, on Flickr

Thanks for viewing - Rob

Last edited by DakotaInTheSky; 08-19-15 at 09:18 AM.
DakotaInTheSky is offline  
Old 08-19-15, 08:56 AM
  #2  
Member
Thread Starter
 
Join Date: Nov 2013
Location: Sandy Eggo
Posts: 43

Bikes: 1950 Raleigh Clubman, 1964 Olmo Special, 1972 Lambert Aerospace Grand Prix, 1972 Nishiki Flipster, 1977 Miyata Arch Bar, 1978 Raleigh DL-1 Tourist

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Forgot the before photo...
Untitled by dakota_in_the_sky, on Flickr
DakotaInTheSky is offline  
Old 08-19-15, 09:05 AM
  #3  
Senior Member
 
Grand Bois's Avatar
 
Join Date: Mar 2005
Location: Pinole, CA, USA
Posts: 17,392
Mentioned: 24 Post(s)
Tagged: 0 Thread(s)
Quoted: 443 Post(s)
Likes: 0
Liked 28 Times in 26 Posts
It's much prettier than the old Simplex guard. You have to be careful not to bump it with your foot.

Grand Bois is offline  
Old 08-19-15, 10:06 AM
  #4  
Senior Member
 
Join Date: Feb 2010
Location: Bloomington/Normal IL
Posts: 1,062
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 152 Post(s)
Liked 237 Times in 139 Posts
DakotaInTheSky

Nice work !!!
OTS is offline  
Old 08-19-15, 10:51 AM
  #5  
Banned
 
Join Date: Aug 2013
Posts: 6,480
Mentioned: 93 Post(s)
Tagged: 0 Thread(s)
Quoted: 1361 Post(s)
Likes: 0
Liked 425 Times in 284 Posts
OP - Nice work!

Also dig the Simplex guards. Perhaps its time for a C&V show us your chain guards or mod for derailleur?

Attached Images
File Type: jpg
IMG_7137sm.jpg (105.0 KB, 23 views)
File Type: jpg
IMG_7136sm.jpg (105.8 KB, 23 views)
crank_addict is offline  
Old 08-19-15, 02:26 PM
  #6  
Senior Member
 
Join Date: Dec 2005
Posts: 17,177
Mentioned: 481 Post(s)
Tagged: 0 Thread(s)
Quoted: 3817 Post(s)
Liked 6,742 Times in 2,625 Posts
Nice work!
nlerner is offline  
Old 08-19-15, 02:36 PM
  #7  
Senior Member
 
3speedslow's Avatar
 
Join Date: Oct 2010
Location: Jacksonville, NC
Posts: 9,352

Bikes: A few

Mentioned: 117 Post(s)
Tagged: 0 Thread(s)
Quoted: 1946 Post(s)
Liked 1,085 Times in 643 Posts
Pretty crafty, and just pretty! Nice touch blending the new guard in with the old bike.

Have you put it to the road test ?
3speedslow is offline  
Old 08-19-15, 02:46 PM
  #8  
Senior Member
 
southpawboston's Avatar
 
Join Date: Aug 2008
Location: Somerville, MA and Catskill Mtns
Posts: 4,134
Mentioned: 34 Post(s)
Tagged: 0 Thread(s)
Quoted: 78 Post(s)
Liked 182 Times in 89 Posts
Well done!
southpawboston is offline  
Old 08-19-15, 04:37 PM
  #9  
Bike Butcher of Portland
 
gugie's Avatar
 
Join Date: Jul 2014
Location: Portland, OR
Posts: 11,654

Bikes: It's complicated.

Mentioned: 1300 Post(s)
Tagged: 0 Thread(s)
Quoted: 4690 Post(s)
Liked 5,837 Times in 2,297 Posts
I like it, yessir, I like it a lot!

I think I might have to steal that idea and add Idea by Rob
__________________
If someone tells you that you have enough bicycles and you don't need any more, stop talking to them. You don't need that kind of negativity in your life.
gugie is offline  
Old 08-20-15, 08:25 AM
  #10  
Member
Thread Starter
 
Join Date: Nov 2013
Location: Sandy Eggo
Posts: 43

Bikes: 1950 Raleigh Clubman, 1964 Olmo Special, 1972 Lambert Aerospace Grand Prix, 1972 Nishiki Flipster, 1977 Miyata Arch Bar, 1978 Raleigh DL-1 Tourist

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Thank you all!

Will be doing the mounting hardware this weekend, so no road tests until that happens.
DakotaInTheSky is offline  
Old 08-20-15, 08:26 AM
  #11  
Member
Thread Starter
 
Join Date: Nov 2013
Location: Sandy Eggo
Posts: 43

Bikes: 1950 Raleigh Clubman, 1964 Olmo Special, 1972 Lambert Aerospace Grand Prix, 1972 Nishiki Flipster, 1977 Miyata Arch Bar, 1978 Raleigh DL-1 Tourist

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Originally Posted by gugie
I like it, yessir, I like it a lot!

I think I might have to steal that idea and add Idea by Rob
Thanks! Feel free to use it, I'm happy to share since I've gotten a lot of ideas from this site
DakotaInTheSky is offline  
Old 08-20-15, 11:37 AM
  #12  
feros ferio
 
John E's Avatar
 
Join Date: Jul 2000
Location: www.ci.encinitas.ca.us
Posts: 21,813

Bikes: 1959 Capo Modell Campagnolo; 1960 Capo Sieger (2); 1962 Carlton Franco Suisse; 1970 Peugeot UO-8; 1982 Bianchi Campione d'Italia; 1988 Schwinn Project KOM-10;

Mentioned: 44 Post(s)
Tagged: 0 Thread(s)
Quoted: 1397 Post(s)
Liked 1,336 Times in 842 Posts
Originally Posted by crank_addict
OP - Nice work!

Also dig the Simplex guards. Perhaps its time for a C&V show us your chain guards or mod for derailleur?


I like your 18-speed hybrid drive train. I had a 14-16-18-20 Cyclo cluster on a standard wide-range Sturmey Archer 3-speed hub, and I would have loved to run a half-step pair of chainrings, e.g. 40-38, with it.
__________________
"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069
John E is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
2cam16
Classic & Vintage
69
05-07-19 03:56 PM
ftwelder
Classic & Vintage
44
08-06-18 07:25 PM
bark_eater
Classic and Vintage Bicycles: Whats it Worth? Appraisals.
11
03-10-18 09:35 PM
Flog00
Classic and Vintage Sales
7
08-28-17 04:00 AM
2cam16
General Cycling Discussion
13
08-20-17 08:16 AM

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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.