• Changing volume spacers internally adjusts the amount of mid stroke and bottom out resistance
• More spacers = less air volume, providing a more progressive spring curve
• NA are first generation negative air spring forks using the transfer rod to equalize the air pressure. NA2 is the second generation where the transfer rod is removed.

Specs:
Model:    36mm Float NA
Description:    volume spacer, 7.6cc, blue
Remarks:
Also 34mm retro NA1