rockshox monarch rl rear shock, 6.50x1.50" (165x38mm), c2 rockshox featuring silky smooth travel in a new lightweight design, monarch floats through bumps even better than before, turning rugged trails into tire-gripping velvet. the chassis is lean while maintaining the durability and adjustability needed to bite off huge chunks of burly trail action and epic cross country. lightweight design delivers silky smooth travel. solo air spring with updated damping controls delivers a spring rate you'd generally only get from a much heavier coil shock. external rebound adjustment and lockout. medium compression and rebound tune, 430 lockout force.