Go Back  Bike Forums > Bike Forums > Bicycle Mechanics
Reload this Page >

Suntour Cyclone compatibility

Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

Suntour Cyclone compatibility

Old 02-24-11, 03:53 AM
Thread Starter
Join Date: May 2009
Posts: 4
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Suntour Cyclone compatibility

I'm riding a vintage bike with suntour cyclone derailleurs and friction downtube shifters

I have toured on it, but want to make some changes.

first off, I have two rings on the crank: 52 and 42, I believe. This makes climbing big, big, steep hills with gear harder than it needs to be. I'd like to put on a three ring crank.

anyone know if I will have to change my front derailleur to accomodate for this change?

Also, I'm riding on a six speed freewheel, and was wondering if anyone who has ridden on similar and upgraded to casette thought it was well worth it. My frame is steel, so it can potentially be spread back there.

barensadau is offline  
Old 02-24-11, 07:35 AM
aka: Dr. Cannondale
rccardr's Avatar
Join Date: Jul 2009
Posts: 7,735
Mentioned: 228 Post(s)
Tagged: 0 Thread(s)
Quoted: 2100 Post(s)
Liked 3,181 Times in 1,132 Posts
You will most likely have to change the FD to one with a broader spread range and with a cage that can accommodate the smaller ring. A Cyclone MkII triple would be a good choice, they are out there for $20 or so and the clamp (unique to the FD) fits 31.8 down tubes but you can use a shim adaptor to bring it down to 28.6 if that's the size you need. To go with that, you could mate up an SR Apex, Sugino or Sakae triple in either true triple (48/38/28) or half step plus grany (48/44/30) ring sizes. They can be found for about $45. Keep the six speed and friction setup- with the triple it will give you lots of gearing options- but if you need a wide ratio freewheel they can be found for under $25, plus another $8 or so for the FW removal tool (or have the LBS take off the old one). That way you keep the Suntour Cyclone type setup at a low cost.

You can PM me if you need more help, or go to the C&V forum.
Hard at work in the Secret Underground Laboratory...
rccardr is offline  
Old 02-24-11, 07:56 AM
vinfix's Avatar
Join Date: Feb 2007
Location: NJ
Posts: 640

Bikes: Breezer Venturi, Breezer Lightning Pro, Schwinn Peloton

Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 47 Post(s)
Liked 18 Times in 11 Posts
I have a Cyclone MKII RD, I selected it for a vintage build because of it's wide range. I'm using it with a 7 speed freewheel up to a 28T.
I also have an '84 Schwinn LeTour Luxe with a triple that works well with the stock Suntour Mountech.
vinfix is offline  
Old 02-24-11, 04:14 PM
Senior Member
DannoXYZ's Avatar
Join Date: Jul 2005
Location: Saratoga, CA
Posts: 11,736
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 109 Post(s)
Liked 9 Times in 6 Posts
Are you doing the labour to upgrade yourself or paying a shop?
DannoXYZ is offline  
Old 02-24-11, 05:16 PM
Senior Member
Join Date: Feb 2010
Location: Raleigh NC
Posts: 324

Bikes: 1983 Gureciotti/full SR 2002 Casati Record 10 speed 1995 Colnago C40 2007 Sram Rival 2006 Isaac Sram Force 2000 DEAN Ti DA 10 speed 1987 Schwinn Prologue Funny Bike 2001 Pinarello DA 9 speed 2008 Element6 Record 10speed Origin8 Lutegra10speed

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Go with a triple FD & RD and a new chain (you will need more chain links to original chain if you do not use a new chain). I bet you are looking forward to spinning up the hills vs grinding up the hills.
TLCFORBIKES is offline  
Old 02-26-11, 03:32 PM
Senior Member
Join Date: Aug 2010
Location: Washington
Posts: 472

Bikes: Serotta Davis Phinney, 1992 Serotta T Max,1984 Specialized Allez, Olmo, 1974 Strawberry,Redline bmx, ect.,

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
You might not need to do a full swap. Some of these cranks were drilled for a triple ring, you didn't mention what the crank is but it should take a 39t inner ring possibly smaller depending on the bolt circle diameter of the crank. As for the rear deraileur it will sometimes take a lot bigger cog on the older frames because some frames had a longer distance between the axle dropout and the hangers mount. I have several bikes with a short cage rear deraileur shifting a 7 speed freewheel with a 12-34 and does not bottom out on the deraileur with a double crank. if you have about a 1/4" between the high gear cog and the frame you should be able to mount a 7 speed freewheel to you stock wheel as well.
nwbikeman is offline  
Related Topics
Thread Starter
Last Post
Classic & Vintage
10-07-22 06:04 AM
Classic and Vintage Sales
08-05-19 11:47 PM
Classic & Vintage
03-18-14 05:20 AM
Classic & Vintage
02-12-12 10:40 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

Thread Tools
Search this Thread

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

Copyright © 2023 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.