Ronstan RF35100 30mm Orbit Ball Bearing Pulley | Single Shackle Block

The Ronstan RF35100 is an ultra-lightweight, high-strength 30mm Orbit pulley block designed for dinghies, skiffs, and high-performance sailboats. Featuring a composite reinforced frame, ball bearing sheave, and 316 stainless steel shackle head, this single block delivers maximum load handling with minimal weight.

Part of the innovative Ronstan Orbit Series, the RF35100 is ideal for vangs, outhauls, cunninghams, and other control systems that demand low friction and reliable rotation under load. Its low-profile design, paired with exceptional strength and efficiency, makes it a favourite among competitive sailors.

✅ Key Features

• Ronstan RF35100 – 30mm single Orbit pulley block

• Lightweight fibre-reinforced composite frame

• Ball bearing sheave for smooth, low-friction line handling

• 316 stainless steel shackle head for secure attachment

• Designed for performance dinghy and skiff sailing

• Ideal for vang, cunningham, outhaul, and other control lines

• Compact and efficient – part of the Ronstan Orbit Series

• Built for competitive sailing and precision rigging

Ronstan RF35100 30mm Orbit ball bearing Single shackle pulley specifications:
Sheave Ø 30 mm
Max. Rope Ø 8 mm
Max. Cable Ø - mm
Pin Ø - mm
M.W.L. 300 kg
B. L. 600 kg
Weight 32 g

Ronstan 30mm Series 30 Ball Bearing Orbit Block, Becket and Swivel Shackle RF35100 pulley