How much cash do I need to outlay to gain an extra 2 mph ?

[Sander_Koop]

Just bought one of these bikes. Nice bike, decent ride, but yes, a BIT more speed would be nice. I'll be following this thread & scouring the web...

 

[Caloux]

Code is 0579 but you cannot upgrade speed only downgrade.

 

[Sander_Koop]

Code is 0579 but you cannot upgrade speed only downgrade.

I shall have a look later, on my ride home from work...