Ronstan Two-speed Mainsheet System

This two-speed mainsheet system features a fine and coarse ratio with a ratchet mechanism designed for precise sail control. The system offers durable construction suitable for sportsboats and keelboats up to 12 m (40').

Features:

• Dual-speed purchase system allows both coarse and fine sail adjustments for optimal control
• Ratchet mechanism provides strong holding power with smooth engagement and release
• Low-friction ball bearing design ensures efficient operation under heavy loads
• Lightweight construction reduces overall rigging weight without sacrificing strength
• Cheek cut-outs enable easy access for bearing maintenance and cleaning
• Dual-sided on-off switch offers convenient and reliable ratchet control

6:1 & 3:1 Specifications:

• Type Of Block: Ratchet two-speed
• Breaking Load: 1700 kg (3750 lbs)
• Maximum Working Load: 800 kg (1760 lbs)
• Max Rope Diameter: 10 mm (3/8")
• Weight: 1490 g (52.5 oz)
• Maximum Mainsail Area (End Boom): 38 m2 (409 sq. ft.)
• Maximum Mainsail Area (Mid Boom): 23 m2 (248 sq. ft.)

8:1 & 4:1 Specifications:

• Type Of Block: Ratchet two-speed
• Breaking Load: 2300 kg (5070 lbs)
• Maximum Working Load: 1100 kg (2430 lbs)
• Max Rope Diameter: 10 mm (3/8")
• Weight: 1610 g (56.8 oz)
• Maximum Mainsail Area (End Boom): 42 m2 (452 sq. ft.)
• Maximum Mainsail Area (Mid Boom): 27 m2 (290 sq. ft.)

Compatibility:

• Sportsboats and keelboats up to 12 m (40')