
CIM 4.75"
the larger Channel Island's template for more hold or larger board.
base: 4.7
Future and FCS compatible
large

REA 4.6"
nice full tip allows for that extra hold you are looking for.
base: 4.5
Future and FCS compatible
large

CIS 4.5"
the smaller of the Channel Island's template
base: 4.3
Future and FCS compatible
medium

SPEEDWINGS ProCore
SW46PC
give your board that drive, speed and quick turning action with the SpeedWings. TRI
depth 4.65 base 4.5
Future and FCS compatible

Quad Heater
Medium - Large
while smaller then the Quad White Crow template this quad is still a larger quad for your fast moving maneuvers
Depth: 4.75 4.5
Base: 4.8 3.8
140-180 pounds
Future and FCS compatible

The Canard Quad
Medium
aka the Canard Quad Speed Dialer
Base: 4.5" 3.5"
depth: 4.5" 4.75"
Future and FCS compatible
USA MADE

Quad R5
Medium
A great all around medium quad set up. Easy to turn and ride
Base: 4.25 4.0
Depth: 4.5 x 4.25
Future and FCS compatible

Quad AK4
Medium
all around medium quad set up with more rake then the Quad R5
Base: 4.62 4.25
Depth 4.5 3.75
Future and FCS compatible

Quad RS1
Medium
was originally designed for "Bat Tail" quads as the smaller rear gives the right amount of release. aka stretch quad
Base: 4.3 3.75
Depth: 4.5 3.75
Future and FCS compatible

Twinzer
fast turning with lots of push for your twinzer board
Front fins
B 2.75" D 3 1/8"
Rear fins
B 4.5" D 4 7/8"
Future and FCS compatible
USA MADE

Fish CI
the larger of the fish line
depth 5.25 x base 6.75
area 25.4
Future and FCS compatible
USA MADE / overseas

Fish Rocket
The favorite among your surfing friends for their fish board.
depth 4.75 x base 7
area 22.1
Future and FCS compatible
USA MADE / overseas

Fish Twin 5.25"
NEW for 2018 - The missing link from that large twin to the small twin. Still having a fish style moderate rake for hold and drive you can push on
Base: 5.4"
Future and FCS compatible
USA MADE

RBT 5.5"
less area then the RSC 5.5" twin
base: 4.75
area 18.7
Future and FCS compatible
USA MADE

RS2 3.5"
standard side bites
new size 3.5"
Future and FCS compatible
USA MADE / overseas

The 5th Finner the name says it all...... put it in and go surf
depth 2.0 base 4.25
Future and FCS compatible
USA MADE

RS2 3.5" Trailer
standard trailer
now 3.5" in size
Future and FCS compatible
USA MADE

So many more fins then this but a standard line up is a good place to start when you are looking for the next level for your board.

1981 ad

Glen and Kathy De Witt
owners and surfers
baja trip
Rainbow Fin Company has been making shortboard fins since 1968. Our experience, technology and designs are made by testing them and doing what we all love, surfing them. Our solid fiberglass, procore and carbon line up is constantly evolving as the surfers and boards evolve. Our goal is to provide our consumers with a high quality performance fin. Why stop at the board? Make your fins a priority as we have.