where can i buy a wide bb?

[ueyteuor]

where can i buy something like this?

my cranks and sprocket hit the engine in between my frame...

 

[MotorBicycleRacing]

SickBikeParts.com sells that.......http://www.sickbikeparts.com/catalo...ucts_id=114&osCsid=9s8mfus5bl3rpl4bi8aoa280l0

 

[The_Aleman]

Aaaand if you're putting that on a cruiser, you're most likely going to need this, too!
3pc crank adapter for Cruiser/BMX/generic MTB

 

[Elmo]

Aaaand if you're putting that on a cruiser, you're most likely going to need this, too!
3pc crank adapter for Cruiser/BMX/generic MTB

Yep that will work. If you do not need a long one this is the best solution that I have found. Custom Motored Bicycles - BICYCLE PARTS 2