Primary gear Pionýr 05, 20, 21, 23 - 11 teeth

The 11- tooth primary gear is supplied with a fitted nut. It is necessary to use a 3/8x3/8 - 43-link primary chain with this wheel! The 11-tooth primary gear is intended for off-road racing specials ( TUNING), as this will give you more engine power, it is not a standard gear (it has 14 teeth). For tuning a motorcycle to power, this primary gear is a better solution than a secondary gear with a large rosette, as the primary is in oil, it does not suffer like an external gear with mud in the chain.

Designed for motorcycles

• Pioneer - 05, 20, 21, 23

Parameters:

• Number of teeth: 11
• For chain: 3/8 x 3/8 – 43 links
• Use: racing/off-road specials (TUNING)

Advantages:

• Increasing engine power
• Suitable for tuning and racing modifications
• Does not wear out as quickly as an external gear with mud and dirt