Ronstan RF45211 40 Ball Bearing Orbit Block - D..

Highest working load in its class

Kilogram for kilogram of working load, the Ronstan RF45211 Series 40 Ball Bearing Orbit Block - Double & Becket Link Head is among Ronstan's BB and RT Orbit Blocks that are the world's lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub. Weight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.

Ronstan RF45211 Series 40 Ball Bearing Orbit Block - Double & Becket Link Head Features:

• Multi-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement.
• The orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance.
• The proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range
• The floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised
• The Dyneema Link is produced from FSE Robline SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point
• The …

NOTE This listing is for the size/colour as stated in the Auction title ONLY. The images and description above may include other variations of this product.

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