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Optiparts EX2144 - Classic Vang Block with Jammer for Laser® / ILCA® – Dual Sheave Vang Control Block
Optiparts EX2144 is a classic replacement vang block assembly with integrated jammer, specifically designed for Laser® and ILCA® dinghies as part of the kicking strap (vang) control system.
This multifunctional unit combines dual sheave line guidance with a built-in jammer cleating mechanism, allowing sailors to adjust and lock vang tension quickly and securely while maintaining smooth rope movement through the block system.
The dual sheave arrangement includes 20 mm and 40 mm sheaves, optimized for efficient load transfer and reduced friction under repeated trimming loads. The integrated jammer provides dependable rope locking, enabling precise sail shape control without additional cleating hardware.
Compatible with control lines up to 6 mm diameter, the EX2144 is ideal for replacing worn or damaged original vang assemblies in regular rig maintenance, fleet servicing, and club dinghy repairs.
This product is compatible with Laser® or ILCA® but is not an original Laser® or ILCA® product. Laser® is a registered trademark owned by Velum Limited. ILCA® is a registered trademark owned by Laser Class Association Inc.
Brand Optiparts SKU EX2144 Product type Vang block with jammer Application Laser® / ILCA® kicking strap (vang) system Sheave diameters 20 mm / 40 mm Max line diameter 6 mm Function Line guidance, load redirection, and rope locking Special feature Integrated jammer cleat EAN 7438207037001
- Integrated jammer allows secure one-step vang locking
- Dual sheave design improves load handling efficiency
- Supports precise boom tension and sail trim adjustment
- Suitable for control lines up to 6 mm diameter
- Compact all-in-one replacement for Laser® / ILCA® vang systems
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