Spinlock TSR30 – 4 Sheave Organiser (Standard and Low Profile)
The Spinlock TSR30 4 Sheave Organiser is designed for yachts requiring reliable diversion of several highly loaded lines from clutches and jammers. Its 30 mm alloy sheaves run on plain bearings to deliver smooth, predictable performance under extreme halyard and control line loads.
The modular rail system allows sheaves to be adjusted to any spacing, while the tulip-shaped geometry reduces friction during vertical deflection. The TSR30L low-profile version is ideal for height-limited installations. Fixed sheave inserts can be added to increase deflection load capacity where angles are high or loads are exceptional.
Key Features
• Four 30 mm alloy sheaves for high-load routing
• Designed for diverting lines from clutches and jammers
• Adjustable sheave spacing along the alloy top rail
• Reduced friction from tulip-shaped sheave design
• Optional fixed sheaves to raise deflection load capability
• Standard and Low Profile variants
• Endless line compatible
• Titanium upgrades available
• Custom spacing and special configurations possible
Load Ratings – TSR30
• Individual sheave: 2500 kg
• Combined load: 1250 kg × number of sheaves
• 30° deflection: 5000 kg
• 60° deflection: 2500 kg
Applications on Sailing Yachts
• Multiple high-load halyards and control systems
• Heavy reefing, outhaul, or downhaul deflections
• Deck layouts requiring adjustable spacing
• Mast-base and deck tunnel routing on larger yachts
Specifications
| Option* | Standard or Low Profile |
| Total width (mm) | 41 |
| Recommended line - Max Ø (mm) | 15 |
| Total height (mm) | 52 |
| Fixing hole spacing (mm) | 44 |
| Total length (mm) | 172 |
| Sheave Ø (mm) | 29 |
| Mounting fasteners | M10 CSK Head (supplied) |
| Sideplate material | Alloy |
| Sheave material | Alloy |
| SWL (kg) | 2500 |
| NBL (kg) | 5000 |
| Weight (g) | 1023 |
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