Bolks

Optimist Blocks: Mainsheet Tackle by Harken and Optiparts

The mainsheet tackle is what lets you trim and ease the sail with the right purchase: in this section you find Optimist blocks in racing configurations, with Harken sheaves and Optiparts bodies. From the classic Carbo 40 mm block to 4:1 ratchet combinations, choose the smoothest system for your rig.

The range includes fiddle blocks, Delrin blocks for lines over 10 mm, models with a Vectran strop and snap shackle, plus sheaves, steel springs and low-friction Ronstan orbit blocks with a Dyneema loop. Everything for a smooth, friction-free mainsheet.

An efficient tackle reduces the load on the sheet and improves trimming feel, a decisive advantage in tacks and gybes during racing. The components are compatible with the one-design boom and hull.

Not sure which combination to choose? Our technical staff will recommend the ideal tackle. Free shipping over €200 and returns within 15 days.