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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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  • JCD Tiller Extension 24 in Blue

    JCD Tiller Extension 24 in Blue

    JCD Custom Race Parts
    $180.00
    The JCD tiller extension is made with 20mm black anodized aluminum and features a blue spiral grip. This provides superior helm feel and reliability. 
  • Opti Boom - Optimax MK4 (45mm)

    Opti Boom - Optimax MK4 (45mm)

    Optiparts Marine Equipment
    $311.00
    45mm boom from Optimax. Optimax is world famous for it's outstanding practical experience, meticulous material selection, ongoing innovative development, and connection with international top sailors. Built from superior Lanurep space craft alloy that is...
  • 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

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