The new Pro Bottomline is the smallest, lightest bottomline style a.s.a Shocktech has made yet. Simple yet stylish milling, one single exit port pre-assembled with a macroline coupler. No on/off means no o-rings to go bad when you least expect it. Double cut dove tail like all their bottom lines afforrds you the confidence to crash just as hard as you'd like and know that you'll never lose the drop forward or bottomline connection.