For small keel boats and sportsboats T-track jib leads are a great blend of performance and functionality in a simple, efficient package. Composite slide bodies with plunger stops run on anodised aluminium track, and allow quick and easy manual adjustment. Lightweight Composite jib lead cars continue the design philosophy of the award winning Ronstan BB and RT Orbit Blocks, with virtually all metal components now replaced with high-tech polymers and fibre equivalents. The car design has been modelled and optimised using finite element analysis and rapid prototyping techniques to achieve maximum strength-to-weight characteristics. Orbit Blockmodels use a Dyneema® Link which is 10 times stronger and lighter than steel, to provide the articulated connection between block and car. Integrated Functionality The Series 25 car body is moulded from a composite material that delivers low friction on the alloy track without the need for separate inserts. It also provides the required mec