How does Hydraulic Bottom Out compare to Tokens? Tokens affect the spring rate, making the spring curve ramp up at the end of the travel. Hydraulic Bottom Out only affects compression damping in the last 20% of travel and has no effect on the spring rate. Related articles What does each click of Adjustable Hydraulic Bottom Out do for the feel of my RockShox Super Deluxe Coil? What is the difference between the RockShox DebonAir+ Linear air can and Progressive air can? Can I upgrade my current RockShox rear shock to Hydraulic Bottom Out? How does Hydraulic Bottom Out work? Can I change between the RockShox DebonAir+ Progressive and Linear air cans?