Ronstan Series 30 Ball Bearing Orbit Block™ - Single - Becket - Swivel Shackle Head

Ronstan Series 30 Ball Bearing Orbit Block™ offers unparalleled strength-to-weight ratio tailored for optimized sailing performance. With advanced materials and design, this block is perfect for applications including mainsheet systems and spinnaker sheets on boats up to 5M (16').

Key Features:

• Lightweight Construction: Designed using fiber-reinforced composites, this block weighs only 32g (1.1oz) without compromising strength.
• Low Friction Performance: The 2-stage ball bearing system ensures smooth operation, providing consistent performance across the full working load range (M.W.L. of 300kg/660lbs).
• Versatile Attachment Options: Features a low-profile thru-sheave becket and swivel shackle head for secure and adaptable connections.

Ideal for dinghies and larger yachts, this product is supported by Ronstan's commitment to quality, ensuring every sailing experience is safe and satisfying. Upgrade your sailing equipment with the Ronstan Series 30 for superior performance on the water.

Series 30 Ball Bearing Orbit Block™ - Single - Becket - Swivel Shackle Head

Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options.
Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.

Features:

• Lightweight
  
• Highest working load in its class
  
• Secure, versatile and secure attachement
  
• Low profile and compact
  
• Ultra low profile thru-sheave becket
  
• Low friction 2-stage ball bearing system provides consistent performance over the full working load range

Applications:

• Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
  
• Halyard, vang and backstay applications on boats to 5M(16')
  
• Control line applications on larger yachts

Materials:

• Sheave: High compression strength carbon black Acetal
  
• Ball Bearings: High compression strength Acetal
  
• Frame/Cheeks: Toughened, glass fiber reinforced Nylon
  
• Link: UV stabilized, multi-strand impregnated SK75 Dyneema®

Specifications:
Sheave Ø: 30mm(1-3/16")
Max. Rope Ø: 8mm(5/16")
M.W.L.: 300kg(660lbs)
B. L.: 600kg(1,320lbs)
Weight: 32g(1.1oz)