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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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  • Harken Hoistable Swivel 4 mm

    Harken Hoistable Swivel 4 mm

    Harken
    $254.95
    This optional hoistable ball bearing halyard swivel can be installed on your headstay so you can raise or lower the sail without removing the headstay. Swivels are independent of the headstay, allowing you to tension the luff separately from the mast...
    Qty in Cart: 0
    Price:
    $254.95
    Subtotal:
  • Harken Standard Hi-Load Furling System 3 mm

    Harken Standard Hi-Load Furling System 3 mm

    Harken
    $384.95
    Harken Small Boat furling systems allow the trailerable cruising or dinghy sailor to set and furl the jib from the cockpit. An optional hoistable ball bearing halyard swivel can be installed on your headstay so you can raise or lower the sail without...
    Qty in Cart: 0
    Price:
    $384.95
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  • Harken 22 mm Double Upright Bullet Block

    Harken 22 mm Double Upright Bullet Block

    Harken
    $48.95
    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. ONE DESIGN APPLICATIONS This...
    Qty in Cart: 0
    Price:
    $48.95
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  • 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 Fiddle Block w/ Becket

    Harken 57 mm Carbo Fiddle Block w/ Becket

    Harken
    $68.95
    Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN APPLICATIONS This...
    Qty in Cart: 0
    Price:
    $68.95
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  • 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 57 mm Carbo Fiddle Block

    Harken 57 mm Carbo Fiddle Block H2621

    Harken
    $62.95
    Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN APPLICATIONS This...
    Qty in Cart: 0
    Price:
    $62.95
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  • Harken 40 mm Carbo Fiddle Block w/ Becket

    Harken 40 mm Carbo Fiddle Block w/ Becket

    Harken
    $54.95
    Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent...
    Qty in Cart: 0
    Price:
    $54.95
    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
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  • Harken 76 mm Midrange Fiddle Block

    Harken 76 mm Midrange Fiddle Block

    Harken
    $180.95
    Midrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load. ONE DESIGN APPLICATIONS This fitting...
    Qty in Cart: 0
    Price:
    $180.95
    Subtotal:
  • Harken 75 mm Carbo Single

    Harken 75 mm Carbo Single

    Harken
    $91.95
    A 75 mm carbo block with swivel from Harken. Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe,...
    Qty in Cart: 0
    Price:
    $91.95
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  • Ronstan 40 mm Triple Block w/ Swivel Head

    Ronstan 40 mm Triple Block w/ Swivel Head

    Ronstan
    $89.74
    40mm ball bearing block from Ronstan in triple block with swivel head configuration. This 40mm range features sheaves running on Acetal bearings that provide high performance & low friction. The 2-stage ball bearing system provides consistent...
    Qty in Cart: 0
    Price:
    $89.74
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  • Ronstan 30 mm Orbit Double Clew Ring Block

    Ronstan 30 mm Orbit Double Clew Ring Block

    Ronstan
    $51.72
    Ronstan ball bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball...
    Qty in Cart: 0
    Price:
    $51.72
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  • Ronstan 30 mm Orbit Link Block

    Ronstan 30 mm Orbit Link Block

    Ronstan
    $41.90
    Ronstan ball bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball...
    Qty in Cart: 0
    Price:
    $41.90
    Subtotal:
  • Ronstan 20 mm Utility Single Ferrule Top Block

    Ronstan 20 mm Utility Single Ferrule Top Block

    Ronstan
    $21.02
    The Ronstan 20 mm Utility Block range featues stainless steel cheeks and Acetal sheaves for a long service life with virtually no maintenance. This ferrule top version features a narrow attachement point for small spaces. Hollow rivets in the block heads...
    Qty in Cart: 0
    Price:
    $21.02
    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.

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