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

Ronstan Series 30 Ball Bearing Orbit Block™ offers an exceptional strength-to-weight ratio tailored for high-performance sailing applications. This innovative block is designed to minimize friction and enhance efficiency, making it the ideal choice for mainsheet systems and spinnaker sheets on dinghies up to 5M (16').

Key Features:

• Lightweight Construction: Crafted from fiber-reinforced composite materials, this block is both robust and exceptionally light at just 22g (0.8oz).
• High Working Load: With a maximum working load of 300kg (660lbs) and a breaking load of 600kg (1,320lbs), it stands out in its class.
• Versatile Attachment Options: The ultra-low profile thru-sheave becket accepts RF1850S shackle in multiple orientations for secure and customizable setups.

Ideal for competitive sailors seeking top-notch performance, this product is supported by Ronstan's commitment to quality and reliability, ensuring satisfaction with every use.

Series 30 Ball Bearing Orbit Block™ - Single - Becket - Lashing 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
  
• RF35101 accepts RF1850S shackle in both orientations to create a conventional loop top block
  
• Self-lubricating Nylatron® sheave and full contact bearing for high dynamic loads

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: 22g(0.8oz)