Sounds like you need a bearing in your chain case, or chain tension is off, or you need a new gear, or more gear case oil.
your right but you need the mach bike not the acro bike because i do it with the mach bike and works for me.
To get a Mach Bike you have to go to Mauville City and go into the shop on the right of the kind of parking lot place filled with bikes.
if calculated it right it is mach 882352.94 at sea level
A male and female right whale can mach up to twelve times a day.
In Mauville Their is a company house on the right of the pokemon heath center go inside talk to the man on the right of the house (You Must Have Running Shoes) He'll Let You Have Mach Or Acro Bike "You Can Switch When Ever You Want To!
Best to replace
The mach number is the speed, compared to the speed of sound in air. Thus, mach 1 is the speed of sound, mach 2 is twice (2 times) the speed of sound, mach 3 is 3 times the speed of sound, etc.
There is no plural for the noun 'mach'; the different levels of mach are usually shown by a numeral for various speeds, such as mach 1 or mach 2.
Maximum speed: Mach 0.96Operating speed: Mach 0.89
Mach 2.
To mach for you if you cant spell it.
Ernst Mach .