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One Design Parts

Shop Parts & Accessories for popular One Design sailboats including Laser / ILCA, Hobie Cat, RS Sailing, Club 420, Thistle, Tasar, J Boats, and Hobie Kayaks. West Coast Sailing is you ultimate source for small sailboat, keelboat, and Hobie kayak parts, offering parts and fittings from Hobie Cat, RS Sailing, Zim Sailing, and more. When we say 'One Design', we are typically referring to model-specific parts that are specified by the manufacturer or by the class association. These parts are designed to work with your boat so you can find what you need and get back out on the water quickly.

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  • Ronstan 40 mm Orbit Ratchet Block

    Ronstan 40 mm Orbit Ratchet Block

    Ronstan
    $77.33
    The Ronstan 40mm Orbit block is small and compact. Used on high performance boats, these blocks are used by the best and perform for the best. Made from advanced fibre and polymer technology, these blocks are ten times stronger than steel, yet more...
    Qty in Cart: 0
    Price:
    $77.33
    Subtotal:
  • Harken 57 mm Carbo Fiddle Ratchet Block w/ Becket

    Harken 57 mm Carbo Fiddle Ratchet Block w/ Becket

    Harken
    $106.95
    Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: J105...
    Qty in Cart: 0
    Price:
    $106.95
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  • Harken Thru-Deck 44 mm Dinghy Block

    Harken Thru-Deck 44 mm Dinghy Block

    Harken
    $60.95
    Low-profile Dinghy blocks are compact and lightweight, with fast trim and release under high or low loads. Blocks are designed for dinghies and for light-duty control lines on larger boats.   ONE DESIGN APPLICATIONS This fitting is commonly used...
    Qty in Cart: 0
    Price:
    $60.95
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  • Harken Thru-Deck 25 mm Wire Block

    Harken Thru-Deck 25 mm Wire Block

    Harken
    $55.95
    Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: MC Scow...
    Qty in Cart: 0
    Price:
    $55.95
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  • Harken 75 mm Rachet Cheek Block

    Harken 75 mm Rachet Cheek Block

    Harken
    $159.95
    The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...
    Qty in Cart: 0
    Price:
    $159.95
    Subtotal:
  • Harken 75 mm Rachamatic Block

    Harken 75 mm Rachamatic Block

    Harken
    $158.95
    The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...
    Qty in Cart: 0
    Price:
    $158.95
    Subtotal:
  • Harken 57 mm Carbo Double Ratchamatic Block

    Harken 57 mm Carbo Double Ratchamatic Block

    Harken
    $302.95
    The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Use the 2634 with a 402 or 403...
    Qty in Cart: 0
    Price:
    $302.95
    Subtotal:
  • Harken 57 mm Carbo Ratchamatic Cheek Block

    Harken 57 mm Carbo Ratchamatic Cheek Block

    Harken
    $119.95
    The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...
    Qty in Cart: 0
    Price:
    $119.95
    Subtotal:
  • Harken 57 mm Carbo Ratchet Cheek Block

    Harken 57 mm Carbo Ratchet Cheek Block

    Harken
    $86.95
    Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: Viper 640...
    Qty in Cart: 0
    Price:
    $86.95
    Subtotal:
  • Harken Thru-Deck 29 mm Bullet Block

    Harken Thru-Deck 29 mm Bullet Block

    Harken
    $49.95
    Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Wire Bullet blocks use roller...
    Qty in Cart: 0
    Price:
    $49.95
    Subtotal:
  • Opti Blade Bag

    Opti Blade Bag

    Optiparts
    $139.50
    This durable nylon blade bag is specifically tailored to fit your Opti gear. Individual padded slots for the dagger and rudder (with the tiller attached) as well as a breathable pocket for lines and other equipment. Durable nylon fabric Heavy duty...
    Qty in Cart: 0
    Price:
    $139.50
    Subtotal:
  • Harken 40 mm Ratchet Block H2608

    Harken 40 mm Ratchet Block H2608

    Harken
    $67.95
    Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. 2608, 2609, and 2614 have on/off switches. Sheave: 40 mm / 1 9/16 in Length: 86 mm / 3 3/8 in Weight: 49 g / 1.7 oz Shackle pin: 4...
    Qty in Cart: 0
    Price:
    $67.95
    Subtotal:
  • Rostan 40 mm Orbit Manual Ratchet Block

    Rostan 40 mm Orbit Manual Ratchet Block

    Ronstan
    $77.33
    Now you can enjoy the flexibility of setting up your rig exactly as you want. Ronstan is the only company that offers a 40 mm ratchet block with both auto and manual engagement models. This manual version allows the ratchet mechanism to be switched on or...
    Qty in Cart: 0
    Price:
    $77.33
    Subtotal:
  • Harken 57 mm Ratchet Block H2135 Harken 57 mm Ratchet Block H2135

    Harken 57 mm Ratchet Block H2135

    Harken
    $79.95
    Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. On/off switch operates from both sides. Standard grip: medium/light air; 10:1 holding power. Sheave: 57 mm / 2 1/4...
    Qty in Cart: 0
    Price:
    $79.95
    Subtotal:
  • Harken 57 mm Carbo Ratchamatic Block H2625

    Harken 57 mm Carbo Ratchamatic Block H2625

    Harken
    $112.95
    The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Standard grip: medium/light...
    Qty in Cart: 0
    Price:
    $112.95
    Subtotal:
  • Frederiksen 60 mm Ratchet Block

    Frederiksen 60 mm Ratchet Block

    Ronstan
    $245.26
    The Frederiksen ratchet block is legendary. It is light and very strong for optimal performance. The ratchet has a small distance between each click to enhance control of sheets. This is the ideal Laser mainsheet block. From Ronstan: The patented...
    Qty in Cart: 0
    Price:
    $245.26
    Subtotal:
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One Design Sailboat Parts

West Coast Sailing is you ultimate source for small sailboat, keelboat, and Hobie kayak parts, offering parts and fittings from Hobie Cat, RS Sailing, Zim Sailing, and more. When we say 'One Design', we are typically referring to model-specific parts that are specified by the manufacturer or by the class association. These parts are designed to work with your boat so you can find what you need and get back out on the water quickly.