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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 Step Nut & Spring

    Opti Mast Step Nut & Spring

    Optiparts Marine Equipment
    $19.65
    The mast step nut and spring are for use as replacement parts for the mast step found in the Optimist and Pram. This part only includes the replacement nut and spring, not the entire mast step...
  • Opti Rudder Retainer Clip (Optiparts) Opti Rudder Retainer Clip (Optiparts)

    Opti Rudder Retainer Clip (Optiparts)

    Optiparts Marine Equipment
    $14.00
    The rudder retainer clip for the Optimist rudder fits any blade up to 15mm. It includes spring clip, nut and bolt.  Optiparts Part # EX1180
  • Opti Blackgold Pin Stop

    Opti Blackgold Pin Stop

    Optiparts Marine Equipment
    $11.10
    The pin stop is used on the Optimist BlackGold mast to hold the boom from dropping too low. It can also be used on the boom to keep the vang in place.  Optiparts Part # EX1337
  • Opti Rudder Screw Set

    Opti Rudder Screw Set

    Optiparts Marine Equipment
    $10.35
    This screw set for the Optimist is for replacing the pintles, gudgeons and retainer clip. The set contains 12 screws and lock nuts.  Optiparts Part # EX1155
  • Opti Spar Bag (Optiparts)

    Opti Spar Bag (Optiparts)

    Optiparts Marine Equipment
    $89.00
    Spar Bag for traveling Holds Mast, Boom, And Sail Optiparts Part # EX1063
  • 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.
  • 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 Pintle Set (Optiparts)

    Opti Pintle Set (Optiparts)

    Optiparts Marine Equipment
    $42.25
    The Optimist pintle set from Optiparts can be used with most Opti rudders but is specifically designed for replacing Optiparts pintles. The fittings are stainless and feature a 6mm pin diameter. The...

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