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Woman wakesurfing on a white and teal board, crouching on a wave near shore.

Wakesurf Boards Surf Ropes Parts & Accessories

Wakeboarder mid-air holding a grab above a boat, skyline behind, on a blue Spark wakeboard.

Wakeboards Wake Bindings Wake Ropes Parts & Accessories

Girl wearing the O'Brien Traditional Youth Life Jacket in pink, standing on a paddleboard and holding a paddle.

Paddleboards Paddles Parts & Accessories

Two people in a small boat pulling a child riding the O'Brien Platform Trainer Waterski.

Waterskis Ski Bindings Ski Ropes Parts & Accessories

A rider performs an inverted aerial trick on the O'Brien Sozo Kneeboard, flipping above the water while holding the handle.

Kneeboards Kneeboard Ropes Parts & Accessories

Person water tubing on a lake with houses and trees in the background

Tubes Tube Ropes Parts & Accessories

Group of people playing and jumping off an O'Brien float on a lake

Party Floats Foam Floats Pool Floats Parts & Accessories

Closeup of a woman holding a surf rope in front of a surf board

Ropes & Handles Tube Ropes Parts & Accessories

Mizuiki dipping his wakeboard into the water on a swim platform on a glassy lake

Men's Women's Kids'Pets Boat Safety

Close-up of a black patch with 'O'Brien' and 'Lightning Valve' logos on the O'Brien Simple Trainer Inflatable Ski.

Gloves Bags Apparel Merchandise Replacement Parts

O'Brien Journal

O'Brien Journal

Top view of a woman in an orange bikini relaxing on the blue Ultimate Easy Rider float in a pool.

Product Catalog

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Contact Us

A child wakeboarder in a black and purple life vest jumps high in the air.

About Us

Warranty & Claims Returns Product Registration FAQ's Size Charts Manuals & Safety Dealer Locator

Wakesurf Boards Surf Ropes Parts & Accessories Shop All

Wakeboards Wake Bindings Wake Ropes Parts & Accessories Shop All

Paddleboards Paddles Parts & Accessories Shop All

Waterskis Ski Bindings Ski Ropes Parts & Accessories Shop All

Kneeboards Kneeboard Ropes Parts & Accessories Shop All

Tubes Tube Ropes Parts & Accessories Shop All

Party Floats Foam Floats Pool Floats Parts & Accessories Shop All

Ropes & Handles Tube Ropes Parts & Accessories Shop All

Men's Women's Kids'Pets Boat Safety Shop All

Gloves Bags Apparel Merchandise Replacement Parts Shop All

O'Brien Journal

Product Catalog

Warranty & Claims

Product Registration

Manuals & Safety

Flat view of the O'Brien 3" Kneeboard Extension Strap in black, featuring durable buckle and an adjustable extension design.

3" Kneeboard Extension Strap

~~$6.99~~

$6.99

3" Kneeboard Extension Strap

~~$6.99~~

$6.99

1

Create a little extra room for strapping in with this kneeboard extension strap.

Flat view of the O'Brien 3" Kneeboard Extension Strap in black, featuring durable buckle and an adjustable extension design.

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