Seldén BBB 25 Single Block with adjustable pin

Seldén BBB 25 Single Block with Adjustable Pin – Ball Bearing High-Load Block

The Seldén BBB 25 single block with adjustable pin is an extremely compact and powerful ball bearing block from the Seldén high-load series. This block is specially designed for use with both wire rope and line, making it perfect for stays, halyard deflectors, tackles and backstays. The stainless steel sides provide high strength and rigidity, even under the heaviest dynamic loads.

The adjustable pin allows you to mount the block in various ways and adapt it to your specific rigging configuration. The single row of stainless steel ball bearings ensures smooth, virtually frictionless operation.

Technical Specifications

• Model: Seldén BBB 25
• Type: Single block with adjustable pin
• Bearing type: Ball bearing
• Suitable for line/wire: Ø1–5 mm
• Safe working load (SWL): 400 kg
• Breaking strength: 800 kg
• Weight: 20 g
• Side material: Stainless steel
• Attachment: Fixed, with D-shackle (pin Ø5 mm)

Applications

The Seldén BBB 25 high-load single block is ideally suited for applications where high loads are combined with thin lines or wire rope. Think of stay reef systems, backstays, halyard deflectors and light tackle systems on small to medium-sized sailboats. The extremely low weight of just 20 grams makes this block ideal for weight-conscious sailors.