Hobie Drum Assy Md Crank V3 Colour:Grey The Hobie Mirage Turbo The Hobie Mirage Turbo Fin Kit will make you the envy of your paddling community Kit includes two fins and two masts Threaded kits are for all Mirage Drives that the masts screw into the sprocket (post July 2008) The fin tension screw allows adjustment to achieve lower end torque or top end speed to meet individual preferences Only fits Hobie Mirage Drive 180 Easy single handed adjustment using R Lock friction joints Compatible with Arc cranks only – these will not fit earlier model Miragedrives that have square cranks (see Miragedrive Drum GT for square cranks) Sold individually (drum only)