Spinlock TSR20 – 8 Sheave Organiser (Standard and Low Profile)
The Spinlock TSR20 8 Sheave Organiser is designed for yachts with extensive high-load control systems requiring multiple line diversions from clutches and jammers. Equipped with 20 mm alloy sheaves and an adaptable modular rail system, it provides strong, smooth line handling even under significant loads.
The tulip-shaped geometry minimises friction during vertical deflection, while the low-profile TSR20L option suits tight installation spaces. Sheave positions can be adjusted to optimise spacing, and fixed sheave inserts can be added for increased deflection load capability.
Key Features
• Eight 20 mm alloy rotating sheaves
• High-load aft organiser for clutch/jammer outputs
• Adjustable sheave spacing
• Reduced friction via tulip-shaped geometry
• Optional fixed sheave inserts
• Standard and Low Profile variants
• Titanium upgrade available
• Endless line handling
• Custom spacing and special configurations available
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 halyard banks with multiple exit lines
• Reefing, tack, and vang system diversion
• Performance yachts with dense rope tunnels
• Custom routing plans requiring precise line separation
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) | 278 |
| Sheave Ø (mm) | 21 |
| Mounting fasteners | M8 CSK Head (supplied) |
| Sideplate material | Alloy |
| Sheave material | Alloy |
| SWL (kg) | 1500 |
| NBL (kg) | 3000 |
| Weight (g) | 1274 |
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