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Old 02-09-2012, 10:19 AM   #188
Beastly Adventurer
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Joined: Jun 2004
Location: Nor Ca.
Oddometer: 4,972
Bitubo springs are .60 kg and I believe you can buy them separately from their cartridge. Ohlins springs are .55kg and work fine with my Bitubo cartridge replacement.

I think the rev tech calculator is way off. Their replacement spring is S4047 without any weight given. If you do the weight calculator it recommends S4047/95 which is a .95kg spring.
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