Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

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.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 09-12-05, 04:01 PM   #1
pakole
Senior Member
Thread Starter
 
pakole's Avatar
 
Join Date: Jun 2005
Location: Boston
Bikes: 1980s 15 speed road bike, and 21 speed, Iron Horse Outlaw mountain bike and 24 speed Felt F90 road bike
Posts: 223
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Old Rear Wheels

I have an old rear wheel that needs to be replace. It has a 6 gear cassette on it. When I am looking for a replacement do I get a 7 speed wheel and put the old cassette on it or do I get a new wheel and a new cassette? Thanks.
pakole is offline   Reply With Quote
Old 09-12-05, 04:10 PM   #2
sydney
Senior Member
 
sydney's Avatar
 
Join Date: Jan 2004
Bikes:
Posts: 9,428
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
No problem if it's a 6 speed hyperglide cassette, which is unlikely. If it's 6 speed uniglide cassette then yes, you could stick a 7 speed uniglide cassette on ,but they are out of print. You could also get an 8/9 hyperglide wheel/hub and usea 4.5mm spaacer and 7 speed HG cassette,but the 8/9 hub would require spreading the rear triangle in most cases. If you have a 6 speed freewheel,then a new wheel with freewheel hub would allow use of a 7 speed freewheel.....Given the information,you have asked a question with too many possible answers.
sydney is offline   Reply With Quote
Old 09-12-05, 06:44 PM   #3
Sheldon Brown
Gone, but not forgotten
 
Sheldon Brown's Avatar
 
Join Date: Jul 2002
Location: Newtonville, Massachusetts
Bikes: See: http://sheldonbrown.org/bicycles
Posts: 2,301
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by pakole
I have an old rear wheel that needs to be replace. It has a 6 gear cassette on it. When I am looking for a replacement do I get a 7 speed wheel and put the old cassette on it or do I get a new wheel and a new cassette? Thanks.
Are you sure it's a cassette? Cassette Freehubs were very uncommon in the 6-speed era, didn't really catch on 'til the late '80s when 7-speeds became the norm. If it's a 6-speed, it is almost certainly an old-style thread-on freewheel system.

Lots of folks are confused about this, so I've made a special Web section showing how to tell the difference between the two systems: http://sheldonbrown.com/free-k7

If it is a cassette Freehub, it will be the Uniglide style (there never were any 6-speed Hyperglide Freehubs) where the smallest sprocket was threaded and acted as a lockring for the other 5 sprockets. You can't get Uniglide cassettes anymore, but most Uniglide Freehubs can be updated to 7- or more speeds Hyperglide by replacing the Freehub body. See: http://sheldonbrown.com/k7

If it's a thread-on freewheel setup, you can generally interchange 6- and 7-speed freewheels on the same hubs. See: http://sheldonbrown.com/freewheels

Sheldon "Which Is Which?" Brown

Code:
+---------------------------------------------+
|  The nice thing about standards is that     |
|  there are so many of them to choose from.  |
|                   --Andrew S. Tanenbaum     |
+---------------------------------------------+
Sheldon Brown is offline   Reply With Quote
Old 09-13-05, 03:43 PM   #4
pakole
Senior Member
Thread Starter
 
pakole's Avatar
 
Join Date: Jun 2005
Location: Boston
Bikes: 1980s 15 speed road bike, and 21 speed, Iron Horse Outlaw mountain bike and 24 speed Felt F90 road bike
Posts: 223
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Sorry I used that term too loosely. It is actually a freewheel. Thanks
pakole is offline   Reply With Quote
Old 09-13-05, 05:00 PM   #5
froze
Banned.
 
Join Date: Feb 2003
Location: Fort Wayne, Indiana
Bikes: 84 Trek 660 Suntour Superbe; 87 Giant Rincon Shimano XT; 07 Mercian Vincitore Campy Veloce
Posts: 4,762
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by pakole
I have an old rear wheel that needs to be replace. It has a 6 gear cassette on it. When I am looking for a replacement do I get a 7 speed wheel and put the old cassette on it or do I get a new wheel and a new cassette? Thanks.
I would just go ahead and get a new freewheel since your building a new wheel anyway. Shimano makes a good 7 speed freewheel that cost about $25.
froze is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

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



All times are GMT -6. The time now is 11:00 PM.