Ronstan 8:1 & 4:1 Two-Speed Mainsheet Bottom Blocks Only RF72900B 6772 High-load plain bearing block for

High-load plain bearing block for static operations

Tough one-piece bases and cam arms are machined from a single piece of aluminum

The Vulcan’s shank shape (D) encourages self-launching and self-stowing upon retrieval on the majority of bow rollers

Weight: 97 g

Ronstan 8:1 & 4:1 Two-Speed Mainsheet Bottom Blocks Only RF72900B 6772 High-load plain bearing block forBottom blocks for RF72900 two speed system FEATURES Coarse and and fine tuning purchase system. Unrivalled 18: 1 holding power. Dual sided On Off switch. Low friction ball bearing system. Lightweight. Cheek cut outs for easy bearing maintenance SPECIFICATIONS Product Specifications B. L. (kg) 2300 M. W. L. (kg) 1100 Max. Rope diameter (mm) 10 Weight (g) 1035