There are five tunes offered for the Lift, matching rider weights from 110-270 lbs Valving in the Lift Damper has been designed to deliver a seamless crossover from the low to highspeed circuits Cartridge format provides simple installation – no specialty tools needed 12clicks of external low-speed compression and rebound adjustability Tune weight ranges: White, 110150lbs. Yellow, 140-180lbs. Green, 170-210lbs. Blue, 200-240lbs. Red, 230-270lbs Please visit the MRP website for a tune selection guide: https://mrpbike.com/pages/liftdamper-tune-selection-guide