XP is cheaper version with heavier steel rails (normal has Ti) Gel has, err, gel in it to pad yo' ass Flow has a cut out in the middle for your perry knee ham. Gel Flow - guess?
@hippy started
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XP is cheaper version with heavier steel rails (normal has Ti)
Gel has, err, gel in it to pad yo' ass
Flow has a cut out in the middle for your perry knee ham.
Gel Flow - guess?