Custom Bespoke Composite Doors & Aluminium and UPVC Panels
Viper Aluminium Espagnolette Window Lock Gearbox Left Hand

Viper Aluminium Espagnolette Window Lock Gearbox Left Hand

  • Greenteq
  • VGBH1709
  • In Stock
  • £13.38

  • Exc. VAT: £11.15

Available Options

- OR -


Upgrade your window locking system with the Viper Aluminium Espagnolette Window Lock GearboxI, engineered for secure and smooth operation in bi-part shootbolt setups. This robust stainless steel gearbox mechanism is designed for tongue-drive handles and offers precise compatibility with the greenteQ Viper MK2 shootbolt system.

Available in both left-hand (L/H) and right-hand (R/H) variants, each drive bar features a reliable offset action 21 mm fork size, ensuring quick integration with a wide range of window sash profiles. Perfect for new installations or replacements in high-use domestic or commercial window systems.

Key Features:

  • Suitable for Viper MK2 bi-part shootbolt systems
  • Precision-engineered stainless steel gear drive
  • Offset gearbox with 21 mm fork (Right-hand has more sizes)
  • Left-hand or right-hand (Viewed from Inside)
  • Compatible with tongue-drive window handles
  • Fixing hole centres: 106 mm (horizontal) × 20 mm (vertical)
  • Body width: 145 mm (185 mm including shootbolts)
Only One Supplied

Other Available Options:
  • Left-Hand (L/H) - This Product
  • Right-Hand (R/H) - See Product 
Why Buy This Product?
Built with stainless steel durability and engineered precision, the VIPER MK.2 Gear Drive delivers dependable performance in demanding environments. Whether you're fabricating new windows or replacing a failed gearbox, this offset drive bar provides peace of mind with every turn of the handle.

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All images are for reference purposes only and can show multiple dimensions of a single product so you can see the product from different angles. This does not usually mean the amount shown in the image is the amount you purchase. Where multiple items are shown please check the description as only one is usually supplied unless otherwise stated.