Subframe Extension Easyboost Yamaha BW's / MBK Booster

Easyboost Subframe Extension, top quality "Dragster" racing frame for Yamaha BW's / MBK Booster by French chassis specialist Easyboost.

This subframe allows for extending frame and wheelbase of Minarelli vertical engines by 7.5cm. The subframe jaws are simply bolted to the original fixing points of Yamaha BW's / MBK Booster as wells as Rocket / Spirit / Spy, without any welding.

The subframe is made of galvanized (electroplated) steel for improved resistance to corrosion, the 2 side brackets are laser-cut and 8mm thick.

The subframe extension can be installed in 10 minutes.

The kit includes:

• subframe jaws
• axle
• spacers
• screws, bolts etc.

Note: this dragster subframe is NOT street-legal.