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Old 08-10-2012, 09:07 AM   #62
woody's wheel works OP
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Joined: Jun 2004
Location: 39*40'33.86N 104*59'54.69W
Oddometer: 3,447
640A to 990 R wheels!

The dual disc front hub will swap over, but the rear 640 hubs are too narrow and come with 20 mm bearing setup.

We would have parts to build a wheel for the rear 990.

The 950 and 990 hubs are the same, they used a wider disc side spacer on the 950 SE and all 990's.

thanks zach

Originally Posted by Alchemist View Post
I have a 640A with a set of superrmoto wheels as well (17 inch f/r). Can you advise if its a straight swap to a 990R (potential purchase). I recognise your suggestion of 19inch front but wanted to know if the hubs etc(Talon) will fit. I'm pretty positive about the front since its the twin disk model which I understand is identical to 990 but not sure about the rear. Can I just run it backwards (ie dissk on other side) ? Too much trouble, do I just ditch them and start new, is weight difference a worry ? Any help greatly appreciated
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