Pipe flexible admission POLINI Ø 19 to 21mm for motor bike 50cc driving DERBI euro 1/2 and 3

The pipe Ø19mm is for male type carburetors (enters the pipe) diameter 19 to 21mm as the carburetor PHBG, PHBG racing ... It is Viton and ferras you lose because no pre compression, dissipation. We suggest the kind with good valves MALOSSI VL6 or VL15 with their broadcasters. Think always perfectly align the diffuser to the outlet pipe.

It is really excellent, Viton it will allow you to erase any bad vibration of admission. The gain related to an original pipe is impressive for such a small accessory. Warning, it has no outlet to mix, depression or another.

Namely:

Engine: DERBI Euro 1, Euro 2 and Euro 3

Carburetor: from 19-21-type male, phbg ...

Type: Viton soft, angled to the left of the machine

Socket: no socket (oil, lung, depression ...)

For valves: with diffuser

Seal: built a pipe