Series 55 BB Orbit Block, Upright Lead RF55171

• Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
• Halyard, Vang and Backstay application on boats to 8m (26ft)
• Control line applications on larger yachts
In stock
SKU
RF55171
€56.00
Ronstan Series 55 BB Orbit Block, Upright Lead

MATERIALS
• Ball bearings - High compression strength carbon black Acetal
• Stage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon
• Frame/Cheeks - Toughened, glass fibre reinforced Nylon
• Rope Link: UV stabilised, multi-strand impregmented SK75 Dyneema®
• Sheave: Carbon fibre reinforced, PTFE impregnated Nylon
• Ball Bearings: High compresssion strength carbon black Acetal
• Stage 2 Bearing: Carbon fibre reinforced, PTFE impregnated Nylon

Sheave Ø 55 mm
Max. Rope Ø 10 mm
Max. Cable Ø - mm
Pin Ø - mm
M.W.L. 500 kg
B. L. 1000 kg
Weight 91 g

FEATURES
• Ultra LightWeight
• Low friction 2-stage Orbital ball bearing system
• Highest working load in its class
• Low profile and compact
• High performance cleating

APPLICATIONS
• Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
• Halyard, Vang and Backstay application on boats to 8m (26ft)
• Control line applications on larger yachts

More Information
Series Series 55 Orbit
Number of sheaves 1
Bearing Ball bearing
Max rope diameter 10 mm
Swivel No
Cam No
Ratchet No
Breaking Strength (kg) 1000
Safe Working Load (kg) 500