ADVrider

Go Back   ADVrider > Bikes > Thumpers
User Name
Password
Register Inmates Photos Site Rules Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
Old 01-31-2011, 09:29 AM   #1
mrlarner OP
Adventurer
 
Joined: Apr 2010
Location: San Francisco
Oddometer: 43
KTM 17mm axle 26mm wheel

Hey guys,

I'm wanting to stick a newer 26mm front wheel on a 98 640a with a 17 mm axle. Does anyone make a 17 to 26mm spacer? Can I use a bigger bearing, maybe one that has an inner diameter of 20mm, so I can use a 17 to 20 mm spacer? Or is there a way to bump up my axle size without a new front end?

Weighing my options here. Thanks for any input!
mrlarner is offline   Reply With Quote
Old 01-31-2011, 09:37 AM   #2
kubiak
Beastly Adventurer
 
Joined: Nov 2007
Location: madera california
Oddometer: 4,809
Quote:
Originally Posted by mrlarner View Post
Hey guys,

I'm wanting to stick a newer 26mm front wheel on a 98 640a with a 17 mm axle. Does anyone make a 17 to 26mm spacer? Can I use a bigger bearing, maybe one that has an inner diameter of 20mm, so I can use a 17 to 20 mm spacer? Or is there a way to bump up my axle size without a new front end?

Weighing my options here. Thanks for any input!
there are bearing spacers i used to run a 17mm axle to a 20mm bearing. i got them from motion industries in fresno, california. hope this helps!
kubiak is offline   Reply With Quote
Old 01-31-2011, 09:59 AM   #3
jonnyw
Studly Adventurer
 
Joined: Apr 2010
Oddometer: 585
20 to 26

THERE ARE COMPANIES(zipty racing?) MAKING THE 20 TO 26 CONVERSIONS ALREADY. Sorry had caps on. Maybe you can get a 20 mm axle and use these spacers. You should be able to find bearings to fit(00-03?) Might be cheaper/easier to find another wheel.
jonnyw is offline   Reply With Quote
Old 01-31-2011, 10:01 AM   #4
christian
Exchange your GPS Track!
 
christian's Avatar
 
Joined: Jul 2004
Location: Redwood City, CA
Oddometer: 2,641
cjracer used to make a special axle to fit 20mm wheels.
with that and a 20 to 26mm adapter you could fit them.

I inquired about it, as I got an other 640 ('00) with 17mm axle but he hasn't made any lately due to lack of demand...

check with him see if he would do a run, I could be interested in one.
__________________
KTM 950 ADV '05.5
KTM 690 '10
christian is offline   Reply With Quote
Old 01-31-2011, 05:20 PM   #5
rz35027
Gnarly Adventurer
 
rz35027's Avatar
 
Joined: Dec 2007
Location: Vancouver BC
Oddometer: 210
I would be interested in those adapters also.....
rz35027 is offline   Reply With Quote
Old 01-31-2011, 05:27 PM   #6
mrlarner OP
Adventurer
 
Joined: Apr 2010
Location: San Francisco
Oddometer: 43
I like the sound of this.

Also, I wonder what the problems would be using a bearing with an outer diameter that fits in the 26mm hub, but an inner to fit a 17 or 20 mm axle. Are bigger bearings bad?

But anyway, a 17 to 20mm axle might be the joint.

Quote:
Originally Posted by christian View Post
cjracer used to make a special axle to fit 20mm wheels.
with that and a 20 to 26mm adapter you could fit them.

I inquired about it, as I got an other 640 ('00) with 17mm axle but he hasn't made any lately due to lack of demand...

check with him see if he would do a run, I could be interested in one.
mrlarner is offline   Reply With Quote
Old 02-01-2011, 09:41 AM   #7
christian
Exchange your GPS Track!
 
christian's Avatar
 
Joined: Jul 2004
Location: Redwood City, CA
Oddometer: 2,641
I PMed Cjracer again, let's see if he chime in this thread.
__________________
KTM 950 ADV '05.5
KTM 690 '10
christian is offline   Reply With Quote
Old 02-11-2011, 01:19 PM   #8
katumo_jtb
bogus journeyer
 
Joined: May 2009
Location: Kali, People's Republic of
Oddometer: 452
Add me to the list of people interested in a 17mm to 20mm axle conversion.

Edit: MrLarner, you can't simply swap bearings because the hubs changed. There is no 20mm ID bearing with the right OD to fit the early hubs (I checked). At least there isn't a standard sized bearing, you could have some custom made I guess. And even if you could find bearings to fit the axle, they wouldn't be the right width to fit the stock spacers, so you'd have to make new spacers.
katumo_jtb is offline   Reply With Quote
Old 02-14-2011, 12:04 PM   #9
mrlarner OP
Adventurer
 
Joined: Apr 2010
Location: San Francisco
Oddometer: 43
Figured as much, tho cutting a spacer is heaps easier than machining a new axle.

I think I'm going to put some effort into machining the step-up axle myself (unless cjracer comes through ) if I can get my hands on a 20mm hub. I'll let you guys know if it turns out.

Quote:
Originally Posted by katumo_jtb View Post
Add me to the list of people interested in a 17mm to 20mm axle conversion.

Edit: MrLarner, you can't simply swap bearings because the hubs changed. There is no 20mm ID bearing with the right OD to fit the early hubs (I checked). At least there isn't a standard sized bearing, you could have some custom made I guess. And even if you could find bearings to fit the axle, they wouldn't be the right width to fit the stock spacers, so you'd have to make new spacers.
mrlarner is offline   Reply With Quote
Old 02-14-2011, 12:56 PM   #10
christian
Exchange your GPS Track!
 
christian's Avatar
 
Joined: Jul 2004
Location: Redwood City, CA
Oddometer: 2,641
I am in contact with cjracer, and we are looking into it.

Making a spacer for 20mm wheels is not reasonable, spacer would be too thin - the axle is a possible solution but cost might be high.

So an idea is to make spacers for 26mm wheels to fit on 17mm axle.

I am guessing, people with bike with a 17mm axle don't have wheels yet, so we could be shopping for 20mm or 26mm. 26mm seems more common 03+ RFS/2stroke. Also cost would be drastically less for just spacers.

So a quick poll,... are people interested dead set on 20mm... or a 26mm spacers for 17mm be just as good.

I am fine with 26mm wheels - please let us know.

Questions:
1- Do you have extra wheels already? if yes, what axle size?
2- how much are you willing to pay for an 20mm axle?
3- How much are you willing to pay for 26mm spacers?

my answers:
1- Do you have wheels already? if yes, what axle size? NO WHEELS YET
2- how much are you willing to pay for an 20mm axle? $100
3- How much are you willing to pay for 26mm spacers? $50

Thank you
__________________
KTM 950 ADV '05.5
KTM 690 '10
christian is offline   Reply With Quote
Old 02-14-2011, 02:17 PM   #11
wrk2surf
on the gas or brakes
 
wrk2surf's Avatar
 
Joined: Dec 2007
Location: THE exact center of California/Bass lake/Yosemite
Oddometer: 6,195
http://www.ktmcyclehutt.com/ktm-part...tment=bigbikes

__________________
Thanks for the 2014 support:BELL HELMETS, SCOTT USA, Kriega USA, Carbon-pro.com, GPR stabilzers, Renazco Racing, Sidi/Motonation, Masters paint and body, Magura , motolab , Tripy GPS, Loctite and Dunlop tires .
wrk2surf is offline   Reply With Quote
Old 02-14-2011, 02:18 PM   #12
christian
Exchange your GPS Track!
 
christian's Avatar
 
Joined: Jul 2004
Location: Redwood City, CA
Oddometer: 2,641
point being? we are trying to make it work for 17mm axle bike...



Quote:
Originally Posted by wrk2surf View Post
__________________
KTM 950 ADV '05.5
KTM 690 '10
christian is offline   Reply With Quote
Old 02-14-2011, 08:56 PM   #13
rz35027
Gnarly Adventurer
 
rz35027's Avatar
 
Joined: Dec 2007
Location: Vancouver BC
Oddometer: 210
2) $0
3) $50
rz35027 is offline   Reply With Quote
Old 02-14-2011, 09:09 PM   #14
wrk2surf
on the gas or brakes
 
wrk2surf's Avatar
 
Joined: Dec 2007
Location: THE exact center of California/Bass lake/Yosemite
Oddometer: 6,195
mis understood those are for adapting a 17mm to 26 drop outs.. good luck
__________________
Thanks for the 2014 support:BELL HELMETS, SCOTT USA, Kriega USA, Carbon-pro.com, GPR stabilzers, Renazco Racing, Sidi/Motonation, Masters paint and body, Magura , motolab , Tripy GPS, Loctite and Dunlop tires .
wrk2surf is offline   Reply With Quote
Old 02-18-2011, 02:17 AM   #15
nanno
Gnarly Adventurer
 
Joined: Aug 2009
Location: Linz, Austria
Oddometer: 271
Why don't you just check the outer bearing diameter or the DIN-No. on the bearing and just get a new set of wheelbearings. 17mm inner diameter is definitively a std. DIN-bearing (as is 20mm inner-diameter)

Cheers,
Greg
__________________
Let the world change you and you can change the world - Che Guevara
nanno is offline   Reply With Quote
Reply

Share

Thread Tools Search this Thread
Search this Thread:

.
Display Modes

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 On

Forum Jump


Times are GMT -7.   It's 01:02 AM.


Powered by vBulletin® Version 3.8.5
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright ADVrider 2011-2014