Seldén BBB 25 Single Block with fixed pin

Seldén BBB 25 Single Block with Fixed Pin

The Seldén BBB 25 single block with fixed pin is a high-load ball bearing block for dynamic loads. With stainless steel side plates and a fixed toggle pin, this block is ideally suited for stays, halyard deflectors, tackles and runners on smaller to medium-sized boats.

Specifications

• Sheave diameter: 25 mm
• Bearing type: Ball bearing in stainless steel
• Breaking strength: 800 kg
• Safe working load (SWL): 400 kg
• Weight: 20 g
• Suitable for lines/wire: Ø1–5 mm
• Attachment: Fixed with fixed pin, mounted with line

Construction & materials

The stainless steel side plates provide high strength and stiffness in an ultra-compact format. The single-row stainless steel ball bearing ensures smooth operation under high dynamic loads. The fixed toggle pin is not adjustable, ensuring maximum stability and durability. At just 20 grams, this is one of the lightest high-load blocks on the market.

Applications

This Seldén BBB 25 block is perfectly suited for stays and runners, where it runs over wire rope or thin line. It is also ideal as a halyard deflector or in light tackle systems. The high breaking strength of 800 kg at a weight of just 20 grams makes this block a popular choice for racing sailors who count every gram.