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One Design Parts

Zim Sailing is the leading provider of small sailboat parts in North America. We specialize in the C420, Opti, FJ, ILCA (formerly Laser®) and RS Sailboat Parts. We have over 2500 SKU's and TONS of items in stock! Shop by boat below or check out our range of universal parts and fittings.

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  • Opti Mast - Optimax MK4

    Opti Mast - Optimax MK4

    Optiparts Marine Equipment
    $783.00
    The MK4 is the stiffest spar set Optimax offers. It also has the cleat for the sprit halyard in a higher position for easier access. Built from superior Lanurep spacecraft alloy, the spar set is hard anodized to a dark Grey color that ensures maximum...
  • Ronstan Series 55 Ratchet Block

    Ronstan Series 55 Ratchet Block

    Ronstan Sailboat Hardware
    $93.94
    Up to 20:1 holding power Smooth easing of sheets High performance cleating Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points. Automatic & manual ratchet block Sheave...
  • Opti Boom Plug - 40mm

    Opti Boom Plug - 40mm

    Optiparts Marine Equipment
    $26.45
    Outboard end for 40 mm racing boom (EX940). All boom end fittings are made of high quality glass fibre filled nylon. Diameters given are outside tube diameters. Optiparts Part # EX1282
  • Opti Spar Case with Wheels Opti Spar Case with Wheels

    Opti Spar Case with Wheels

    Optiparts Marine Equipment
    $255.00
    Opti Spar Case With WheelsOversize Shipping This item is oversize due to length and or weight, but can still ship via common carrier to Continental USA addresses. A flat rate shipping fee of $60 applies. Shipping is not available online to Alaska,...
  • Opti Boom Jaw - 45mm

    Opti Boom Jaw - 45mm

    Optiparts Marine Equipment
    $41.45
    End Cap with Jaws for a 45mm Opti Boom  Optiparts Part # EX1284
  • Opti Sprit Ends - 29mm (Pair)

    Opti Sprit Ends - 29mm (Pair)

    Optiparts Marine Equipment
    $29.40
    Optimist sprit ends for 29 mm racing sprits. Sold per pair. Fits MK4 Spars + MK3 Hyperflex. Optiparts Part # EX1272
  • Opti Mainsheet Tapered with Trigger Shackle Opti Mainsheet Tapered with Trigger Shackle

    Opti Mainsheet Tapered with Trigger Shackle

    FSE Robline
    $126.00
    Tapered Mainsheet for the Optimist with a Trigger Shackle.  Allows quick change from 4:1 to 3:1 type mainsheet systems.  Color of the mainsheet can vary based on availability.

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