For engines 50 cc, including Biela logo.
Biela prop. For engines between 50 - 60 cc.
For engines 45 - 50 cc, including Biela logo.
For engines between 50 - 60 cc.
For engines 20 - 25 cc, including Biela logo.
For engines between 20 - 25 cc, including Hamilton logo.
For engines between 40 - 55 cc, including Biela logo.
For engines between 40 - 55 cc.
For engines between 18 - 25 cc, including Biela logo.
For engines between 20 - 25 cc, including Hamilton logo.
