Summer vibes K1 Keel Fins - Classic Twin Keel Fin Set

The Summer vibes K1 Keel Fins are designed for surfers chasing classic twin-fin speed, smooth flow and maximum down-the-line drive. Built around a more traditional keel template, the K1 delivers effortless glide, powerful projection and that unmistakable retro fish feeling surfers love.

With a larger surface area and drawn-out keel outline, the K1 setup creates incredible hold and control while maintaining the fast, skatey feel twin-fin boards are famous for. Perfect for retro fish surfboards, wider outlines and cruisey alternative shapes, these fins are all about generating easy speed and flowing rail-to-rail surfing.

5 inches in height

6.65 inches in base length

area 25.5 square inches

Whether you're trimming down long points, carving clean open faces or making the most of soft summer surf, the Summer vibes K1 Keel Fins are built for fast fun surfing and pure twin-fin freedom.

• Classic retro keel fin template
• Maximum speed & down-the-line drive
• Smooth flowing rail-to-rail feel
• Ideal for fish surfboards & retro twins
• Excellent hold through long carving turns
• Lightweight honeycomb construction
• Built for Australian surf conditions
• Compatible with FCS2 Dual tab fin systems

Perfect For

• Retro fish surfboards
• Classic twin fin setups
• Alternative surf craft
• Small to medium surf
• Fast flowing surfing
• Surfers chasing traditional twin-fin feel

Construction

The Summer vibes K1 Keel Fins feature lightweight honeycomb performance construction engineered for speed, durability and smooth flex. The balanced flex pattern helps generate effortless acceleration while maintaining stability and hold through longer drawn-out turns.

Fin Specifications

• Template: Classic Twin Keel
• Fin Setup: Twin Fin
• Construction: Honeycomb / Fibreglass Composite
• Base: Large
• Rake: High
• Drive: Maximum
• Release: Moderate
• Compatibility: FCS2 Fin System

Why Choose Summer vibes K1 Keel Fins?

The K1 Keel Fins are designed for surfers who want maximum glide, classic fish-board speed and smooth stylish surfing. The traditional keel outline creates excellent projection and hold while maintaining the playful freedom that makes twin-fin boards so addictive to ride.

Perfect for epoxy fish surfboards, retro twins, softboards and alternative surf shapes, the Summer vibes K1 setup delivers effortless speed, flow and style in everyday conditions.

Like all Summer vibes surf hardware, the K1 Keel Fins are built for surfers chasing quality, value and maximum stoke in Aussie surf conditions.