Go Back  Bike Forums > Bike Forums > Cyclocross and Gravelbiking (Recreational)
Reload this Page >

650b on the new Ritchey Swiss Cross Disc, V2?

Notices
Cyclocross and Gravelbiking (Recreational) This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like : "Unbound Gravel". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

650b on the new Ritchey Swiss Cross Disc, V2?

Old 01-25-20, 10:10 AM
  #1  
colinatx
Junior Member
Thread Starter
 
Join Date: Jun 2010
Location: austin, tx
Posts: 9
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
650b on the new Ritchey Swiss Cross Disc, V2?

I love the Ritchey Swiss Cross Disc, and the 2020 model has clearance for 40c tires, which is awesome. However, I'm also interested in running even larger tires using a 650b setup. Searching high and low I can't find a single photo, or even a discussion, of fitting a 650b x 47c or bigger tire to a ritchey swiss cross disc. I'm a bit concerned its impossible.

Anyone have experience with this? Even better, a photo of a 650b setup on a Ritchey Swiss Cross Disc?
colinatx is offline  
Old 01-27-20, 09:38 AM
  #2  
chas58
Senior Member
 
chas58's Avatar
 
Join Date: Jul 2010
Location: Michigan
Posts: 4,606

Bikes: too many of all kinds

Mentioned: 35 Post(s)
Tagged: 0 Thread(s)
Quoted: 1053 Post(s)
Liked 308 Times in 249 Posts
Guess not...

I love the bike, and it would look quite interesting with skinny tubes and fatter tires.

Its going to depend on the clearance - mostly the width of the stays and forks. If the tubing flares normally, I would think it could work. I'm thinking that bike was designed for 33mm cross tires, so it should work just fine geometry wise with 650bx47mm tires - that is practically the same geometry. I can't think of a reason why it wouldn't work - as long as there is appropriate flare in the fork/stays.

Just make sure what you buy has a good return policy. ;-)
chas58 is offline  
Likes For chas58:
Old 01-28-20, 05:08 AM
  #3  
Hmmm
Senior Member
 
Hmmm's Avatar
 
Join Date: Nov 2014
Location: Paris, France
Posts: 381

Bikes: TCX & CAAD3 SAECO

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 140 Post(s)
Liked 84 Times in 55 Posts
The most beautiful bike.
Hmmm is offline  
Old 07-21-20, 08:05 AM
  #4  
maba0320
Newbie
 
Join Date: Jul 2020
Posts: 1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Success?

Originally Posted by colinatx View Post
I love the Ritchey Swiss Cross Disc, and the 2020 model has clearance for 40c tires, which is awesome. However, I'm also interested in running even larger tires using a 650b setup. Searching high and low I can't find a single photo, or even a discussion, of fitting a 650b x 47c or bigger tire to a ritchey swiss cross disc. I'm a bit concerned its impossible.

Anyone have experience with this? Even better, a photo of a 650b setup on a Ritchey Swiss Cross Disc?

Did you try and did it work?
maba0320 is offline  
Old 07-22-20, 12:17 AM
  #5  
colinatx
Junior Member
Thread Starter
 
Join Date: Jun 2010
Location: austin, tx
Posts: 9
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Originally Posted by maba0320 View Post
Did you try and did it work?
I never tried personally, but I did find this wonderful photoshoot of a Ritchey Outback V1 setup 650b with 48c tires. I tried to link it below but apparently I don't have enough bikeforums privilege. If you google woods cyclery ritchey outback 650b you will probably find it. There's also some more stuff if you search the #ritcheyoutback hashtag on instagram.
colinatx is offline  
Old 07-28-20, 03:44 AM
  #6  
BSmooth
Junior Member
 
Join Date: Jun 2018
Posts: 13
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Likes: 0
Liked 1 Time in 1 Post
Originally Posted by colinatx View Post
I love the Ritchey Swiss Cross Disc, and the 2020 model has clearance for 40c tires, which is awesome. However, I'm also interested in running even larger tires using a 650b setup. Searching high and low I can't find a single photo, or even a discussion, of fitting a 650b x 47c or bigger tire to a ritchey swiss cross disc. I'm a bit concerned its impossible.

Anyone have experience with this? Even better, a photo of a 650b setup on a Ritchey Swiss Cross Disc?
I recently purchased a 2020 Swiss Cross Frameset and have a set of 650b wheels laying about at a different location. Given the 40c clearance, it is possible but looking at the rear stays alone I'm not optimistic. I'll collect the wheels later this week and have a clear answer on 650b fitment.
BSmooth is offline  
Old 07-28-20, 03:51 AM
  #7  
BSmooth
Junior Member
 
Join Date: Jun 2018
Posts: 13
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Likes: 0
Liked 1 Time in 1 Post
Originally Posted by chas58 View Post
Guess not...

I love the bike, and it would look quite interesting with skinny tubes and fatter tires.

Its going to depend on the clearance - mostly the width of the stays and forks. If the tubing flares normally, I would think it could work. I'm thinking that bike was designed for 33mm cross tires, so it should work just fine geometry wise with 650bx47mm tires - that is practically the same geometry. I can't think of a reason why it wouldn't work - as long as there is appropriate flare in the fork/stays.

Just make sure what you buy has a good return policy. ;-)
Correct on the potential clearance trouble spots but the current version of the SC is designed for 700x40c not 33c tires. The chainstays are heavily crimped to allow space for the 40c tires and on the SC that I have (size XL) it appears they are not in the correct position on the stay to permit a wider 650b tire. I will soon have an answer once I have the frame and wheelset in the same location.

Last edited by BSmooth; 08-01-20 at 07:07 AM.
BSmooth is offline  
Old 07-28-20, 04:55 AM
  #8  
colinatx
Junior Member
Thread Starter
 
Join Date: Jun 2010
Location: austin, tx
Posts: 9
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Originally Posted by BSmooth View Post
I recently purchased a 2020 Swiss Cross Frameset and have a set of 650b wheels laying about at a different location. Given the 40c clearance, it is possible but looking at the rear stays alone I'm not optimistic. I'll collect the wheels later this week and have a clear answer on 650b fitment.
Yes! Pics if you can pleaseeee
colinatx is offline  
Old 07-29-20, 03:37 PM
  #9  
cs1
Senior Member
 
cs1's Avatar
 
Join Date: Feb 2004
Location: Clev Oh
Posts: 7,076

Bikes: Specialized, Schwinn

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 211 Post(s)
Liked 14 Times in 13 Posts
Is the 2020 version black or red? I really hate the black bike. The red with white trim of the original is so classic
cs1 is offline  
Old 07-29-20, 08:07 PM
  #10  
BSmooth
Junior Member
 
Join Date: Jun 2018
Posts: 13
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Likes: 0
Liked 1 Time in 1 Post
Originally Posted by cs1 View Post
Is the 2020 version black or red? I really hate the black bike. The red with white trim of the original is so classic
The Red/White fade was a limited edition to celebrate the model's 25th anniversary. They are likely sold out by now. I have the black. Ritchey just introduced a white frame with red decals.
BSmooth is offline  
Old 07-29-20, 08:08 PM
  #11  
BSmooth
Junior Member
 
Join Date: Jun 2018
Posts: 13
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Likes: 0
Liked 1 Time in 1 Post

Originally Posted by colinatx View Post
Yes! Pics if you can pleaseeee
Clearance on the 2020 Swiss Cross is too tight on the chainstays for anything wider than a 650bx40.

Chainstay clearance with a 650bx38 tire

Stay crimping ends near the widest point of the tire

Drive train side view

The widest point of the 650bx38 falls exactly in the middle of the width of the yellow tape

Seat stay clearance is ample

Last edited by BSmooth; 08-01-20 at 07:02 AM.
BSmooth is offline  

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


Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright 2021 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.