Ronstan 8-1 & 40-1 Two-Speed Mainsheet Bottom Blocks Only
Bottom blocks for RF72900 two-speed system
Features
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Coarse and and fine tuning purchase system.
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Unrivalled 18:1 holding power.
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Dual sided On-Off switch.
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Low friction ball bearing system.
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Lightweight.
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Cheek cut-outs for easy bearing maintenance
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Mainsheets on sportsboats and keelboats to 12m (40')Max. mainsail area, END boom sheeting = 42sq m (452 sq ft). Max. mainsail area, MID boom sheeting = 27sq m (290 sq ft)
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Carbon Black Acetal ball bearings. U.V. stabilised Acetal sheaves, alloy ratchet sheaves. Cheek plates: Anodised aluminium. Torlon® ratchet pawl. Adjustable cleat arms
| B.L. (kg) | 2300 |
|---|---|
| M.W.L. (kg) | 1100 |
| Max. Rope diameter (mm) | 10 |
| Weight (g) | 1035 |
| Part Number |
|---|
| RON-RF72900B |
