Spinlock Symmetric Sheave Box Ø50 mm
71,00 € – 153,00 €
Spinlock Symmetric Sheave Box Ø50 mm, ideal for powerful control line redirects and demanding multi-sheave configurations. With smooth-running Ø50 mm sheaves, it integrates easily onto modern decks and enhances the performance of high-tech ropes. Available in 5 versions from 2 to 6 sheaves, it meets the needs of the most demanding sailors.
Compatible models :
Designed for robust and discreet textile setups, the Spinlock Symmetric Sheave Box Ø50 mm ensures smooth and secure rope guidance, even under high load. Its symmetrical format offers balanced load distribution, while the Ø50 mm sheaves provide excellent efficiency and reduce wear on lines over time.
Ideal for reefing lines, fine-tune controls, or multiple redirects, it fits easily onto the deck with minimal footprint. Available in five sizes, it adapts to all rigging configurations on performance sailboats or offshore yachts.
Available in 5 sizes:
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ST50/2S – 2 symmetric sheaves
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ST50/3S – 3 symmetric sheaves
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ST50/4S – 4 symmetric sheaves
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ST50/5S – 5 symmetric sheaves
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ST50/6S – 6 symmetric sheaves
Technical specifications – Spinlock Symmetric Sheave Box Ø50 mm:
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Model: ST50/2S to ST50/6S
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Sheave type: Ø50 mm
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Construction: High-strength composite housing
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Load distribution: Central symmetric axle
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Mounting: Textile loop or soft eye
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Applications: Reefing lines, halyard redirects, fine-tune controls
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Compatibility: Suitable for modern ropes (e.g. Dyneema®)
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Manufacturer: Spinlock
technical drawing
ST50/2
ST50/3
ST50/4
ST50/5
ST50/6
