Thread: 640 ADV Forks
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Old 11-05-2007, 09:52 AM   #8
Beastly Adventurer
Joined: Jun 2006
Location: SLC, UT
Oddometer: 1,233
Yes the 03 has 48mm forks. They are pretty much the same fork as the MX bikes. They just have a slightly shorter stroke on the cartridge. That is why they take the shorter springs. The 510mm springs will also work if you remove all the preload spacers except the thinest one. They are also the same interally as the 07 640. The .46 will most likely still be too light. But it will still be an improvement.
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