Antal Mekton Sheave for Mini Blocks 40 mm
A genuine Antal replacement sheave for the Stainless Mini Blocks range. The 40 mm Mekton (fibre-reinforced resin) sheave runs on side Delrin® ball bearings for low friction in compact layouts. It’s a quick, lightweight refresh for vang cascades, traveller controls and other small-line systems where smooth running and reliability matter.
Why it’s a smart upgrade
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Low friction in a tiny footprint thanks to side Delrin® ball bearings
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Light, tough Mekton resin sheave for dependable performance afloat
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Drop-in swap for Antal Mini Blocks to restore like-new efficiency
Key specifications
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Sheave Ø: 40 mm
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Max rope Ø: 8 mm
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Safe Working Load (SWL): 500 kg
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Thickness (T): 12 mm
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Axle/bore Ø (D3): 8 mm
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Hub Ø (D2): 12 mm
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Sheave material: Mekton (resin)
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Side bearing: Delrin® balls
Typical applications
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Traveller, vang and cunningham cascades on dinghies and small keelboats
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Mast base and deck organisers for 6–8 mm control lines
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Refurbishing Antal Stainless Mini Blocks where the sheave is worn
Fit & compatibility notes
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Confirm your block’s sheave Ø (40 mm), axle/bore Ø (8 mm) and thickness (12 mm) before ordering
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Designed for rope up to 8 mm; do not use with wire or rod
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