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 07-21-03, 02:05 PM   #1
matt719
Member
Thread Starter
 
Join Date: Jul 2003
Bikes:
Posts: 32
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
What The!!!

Arg, putting together a bike is one headache after another! I am trying to replace a 7 speed cassette with a 9 speed cassette, and now the 9 speed cassette doesn't fit on the freehub!!! What do i do?!?!?!??!?!!
matt719 is offline   Reply With Quote
Old 07-21-03, 02:48 PM   #2
lotek
Forum Admin
 
lotek's Avatar
 
Join Date: Dec 2001
Location: n.w. superdrome
Bikes: 1 trek, serotta, rih, de Reus, Pogliaghi and finally a Zieleman! and got a DeRosa
Posts: 17,702
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
7 speed to 9 speed? on the same hub?
The spacers for the cogs would need to be narrower,
and I don't know if a 7speed hub can take a 9 speed
cassette?
any of the real wrenches know ?

Marty
__________________
Sono pił lento di quel che sembra.
Odio la gente, tutti.


Want to upgrade your membership? Click Here.
lotek is offline   Reply With Quote
Old 07-21-03, 03:02 PM   #3
Dave Stohler
60mph in the 42 ring!
 
Dave Stohler's Avatar
 
Join Date: Jul 2003
Location: Niagara Frontier, NY
Bikes:
Posts: 546
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
No, you can not put a 9-speed cassette on a 7-speed hub. Sorry.

You can, however, put 8 cogs of the 9-speed hub on. That's the best you can do.
Dave Stohler is offline   Reply With Quote
Old 07-21-03, 03:06 PM   #4
matt719
Member
Thread Starter
 
Join Date: Jul 2003
Bikes:
Posts: 32
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
So i essentially need a new hub? *sigh*
matt719 is offline   Reply With Quote
Old 07-21-03, 04:22 PM   #5
Resident
Senior Member
 
Join Date: Apr 2003
Bikes:
Posts: 172
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
You could go through the hassle of replacing the freehub body, but then you would mess around with spacing, blah, blah, and blah.

Yes, get a new hub, or wheel for that matter! Much easier!

However, how are you going to shift gears on a 9-speed cassette with a 7-speed shifter? Do you have 9-speed compatible ders, or a 9-speed chain? Crankset?

It might be worth your efforts to buy a 9-speed bicycle...
Resident is offline   Reply With Quote
Old 07-21-03, 06:01 PM   #6
matt719
Member
Thread Starter
 
Join Date: Jul 2003
Bikes:
Posts: 32
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I already have everythign else for a 9 speed bike, Shimano XT rear der, LX crank, LX cassette, XT chain, LX shifter set. Because the hubs aren't labeled "9 speed hub", "8 speed hub", i just assumed my old one would work.
matt719 is offline   Reply With Quote
Old 07-21-03, 07:09 PM   #7
John E
feros ferio
 
John E's Avatar
 
Join Date: Jul 2000
Location: www.ci.encinitas.ca.us
Bikes: 1959 Capo; 1980 Peugeot PKN-10; 1981 Bianchi; 1988 Schwinn KOM-10;
Posts: 16,918
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 29 Post(s)
Your best shot is to use 8 of the 9-speed cogs, with the 9-speed spacers, the 9-speed chain, and the 9-speed shifter. (You can use either the 8-speed or the 9-speed rear derailleur.) I believe Sheldon Brown mentions this option in one of his websites.
__________________
"Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1981 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069
John E 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 02:17 PM.