This is the standard Bic mast extension that comes with a Techno 293 One Design windsurfing rig.
It is standard diameter, fits with a euro-pin style mast foot, and has 32cm of extension.

This extension adjusts with a metal ring that sits in grooves on the extension, it is simple and works well.

- Universal axle system
- Adjustable mast extension built with high quality stiff anodized aluminium
- Very large pulley block system for a easier hauling
- Fibre-reinforced polymer pulley block
- 2 wide stainless steel pulleys : 20 mm
- Stainless steel stop ring
- Equiped with a removable sleeve that allows to adapt to your mast diameter
- Vario: 320 mm