Can I change the travel of my SID/SID SL fork? Yes! You can swap the air spring assembly to change the travel—the RockShox Spare Parts Catalog has everything you need for this. Related articles Are Bottomless Tokens available for SID and SID SL? Can you upgrade the previous-model SID or the SID SL with the new DebonAir+ spring? What are the benefits of the new TwistLoc Ultimate remote? Will there be ButterCups to take the edge off on marathon rides? How many Tokens can I add to RockShox DebonAir+?