True Ames Bonzer Runners 4 Fin Set FCS accessories this is a perfect compliment

this is a perfect compliment to your twin fin

they have a consistent flex that creates drive and release through turns

5mm arch / 45º-90º tail kick / 30mm tall

The single concave under the front foot acts as a gas pedal and generous double concave through the fins provides rail-to-rail ease and plenty of lift in the small stuff

Size - Medium Quad  (125 – 175 lbs)

True Ames Bonzer Runners 4 Fin Set FCS accessories this is a perfect compliment(Set of 4 ) These runners come in a set of four, and already have 19* of cant incorporated in the fins above the tabs no need to adjust the angle, we've done it for you. These fins are the perfect complement to the Bonzer center fin for the classic 5 fin setup. ( Front Fins ) HEIGHT: 2. 37" 58 mm BASE: 4. 75" 121 mm AREA: 7. 60" 49. 07 cm ( Back Fins ) HEIGHT: 2. 75" 70 mm BASE: 5. 5" 135 mm AREA: 10. 30" 66. 48 cm