TB Car With Upstand & 2 Double CL Sheaves

High-Load Control with Advanced Line Management

The Lewmar TB Carr with Upstand & 2 Double Control Line Sheave is engineered for yachts requiring maximum precision, stability, and efficiency in mainsheet traveller systems. Designed for high-performance cruising and racing applications, it combines powerful load-handling capability with refined control-line management, enabling confident, accurate sail trimming under sustained load.

Track-Bearing (TB) Car Design

At the core of the system is Lewmar’s Track-Bearing (TB) configuration, designed to transmit loads directly into the traveller track for exceptional stability and alignment. This efficient load path ensures smooth, predicable movement along the track, even under heavy mainsheet tension, reducing binding and maintaining control during dynamic manoeuvres.

Integrated Upstand for Improved Lead Geometry

The built-in upstand raises the control-line sheaves above the car body, maintaining optimal lead angles and keeping clines clear and accessible. This improved geometry reduces friction, prevents lines from dropping flat on the deck when unloaded, and supports clean routing into clutches or cleats, particularly valuable in performance-focused cockpit layouts.

Two Double Control Line Sheaves for Balanced Operation

Equipped with two double control line sheaves, the car enables efficient, symmetrical routing of traveller control lines from both sides. This multi-sheave arrangement distributes loads evenly, minimises friction, and delivers smooth, responsive adjustment during trimming and easing. The result is enhanced control feel, reduced handling effort, and improved longevity of running in high-use systems.

Smooth, Consistent Performance

Precision-engineered bearing interfaces, sheave profiles, and load paths ensure low-friction movement and reliable operation across the full travel range. This consistent performance allows sailors to fine-tune sail shape with accuracy, improving efficiency while reducing wear on both the track and car components over time.

Marine-Grade Construction

Manufactured from durable, corrosion-resistant marine-grade materials, the TB Car is built to withstand the rigours of offshore sailing, high loads, and repeated adjustment cycles. Its robust construction ensures long service life and dependable performance in both coastal cruising and race-level environments.

Clean System Integration

The integrated design reduces the need for additional deck hardware by consolidating load handling and control-line management into a single component. This streamlined approach improves deck organisation, enhances safety, and supports a professional, uncluttered installation in modern sail-handling systems. 

System Integration & Application

Designed for seamless compatibility with Lewmar traveller track systems, the TB Car with Upstand & 2 Double Control Line Sheaves is suitable for both new builds and professional refits. Commonly specified for high-load mainsheet traveller systems on performance cruising yachts and offshore race boats, it delivers a refined, system-led solution backed by Lewmar’s long-standing expertise in high-performance deck hardware.