Spinlock TSR20 – 6 Sheave Organiser (Standard and Low Profile)
The Spinlock TSR20 6 Sheave Organiser offers high-capacity line diversion in a strong, compact format for yachts handling multiple high-load lines. With 20 mm alloy sheaves and a configurable modular construction, it provides durable performance under significant working loads.
The tulip-shaped geometry reduces friction during vertical line movement, while the alloy top rail allows each sheave to be repositioned freely. A low-profile TSR20L version is available for installations with limited vertical clearance. Fixed sheave inserts may be added to increase allowable deflection loads.
Key Features
• Six 20 mm alloy rotating sheaves
• Aft organiser for diverting lines from clutches/jammers
• Flexible spacing with modular top rail assembly
• Reduced friction via tulip-shaped sheaves
• Optional fixed sheave inserts
• Standard and Low Profile models
• Suitable for endless line routing
• Titanium upgrade available
• Custom spacing and special configurations possible
Load Ratings – TSR20
• Individual sheave: 1500 kg
• Combined load: 750 kg × number of sheaves
• 30° deflection: 3000 kg
• 60° deflection: 1500 kg
Applications on Sailing Yachts
• High-load halyards and reefing line diversion
• Multi-line routing from banks of clutches
• Performance yachts needing flexible line spacing
• Low-profile necessities around mast bases or deck tunnels
Specifications
| Option* | Standard or Low Profile |
| Total width (mm) | 41 |
| Recommended line - Max Ø (mm) | 13 |
| Total height (mm) | 52 |
| Fixing hole spacing (mm) | 34 |
| Total length (mm) | 210 |
| Sheave Ø (mm) | 21 |
| Mounting fasteners | M8 CSK Head (supplied) |
| Sideplate material | Alloy |
| Sheave material | Alloy |
| SWL (kg) | 1500 |
| NBL (kg) | 3000 |
| Weight (g) | 956 |
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