Ronstan Series 30 BB Fixed Head Stand Up Orbit Block

Ronstan orbit blocks represent the future of racing sailboat hardware. They offer a promising solution, as chosen by the world's best racing sailors. The Sheave Ø measures 30 mm, with a Max. Rope Ø of 8 mm and a Max. Cable Ø of - mm. The Pin Ø is - mm, and the M.W.L. and B.L. are 300 kg and 600 kg, respectively. The weight of the block is 36 g.

FEATURES: - Lightweight - Highest working load in its class - Secure, versatile, and safe attachment - Low profile and compact

APPLICATIONS: - Mainsheet systems and spinnaker sheets on dinghies up to 5m (16ft) - Halyard, vang, and backstay applications on boats up to 5m (16ft) - Control line applications on larger yachts

MATERIALS: - Sheave: High compression strength carbon black Acetal - Ball Bearings: High compression strength Acetal - Frame/Cheeks: Toughened, glass fibre reinforced Nylon - Link: UV stabilised, multi-strand impregnated SK75 Dyneema

The proven Ronstan 2-stage bearing system (Series 30 and larger) features high compression grade Acetal ball bearings and a secondary full-contact bearing. This design ensures minimum friction across the full working load range, providing the highest working load in its class.

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