ISIS Vs External

Heya,
If i replace my bottom bracket from a Race Face ISIS to its newer external BB, will i need my frame 'faced'? And does facing just mean skimming the surfaces of the bottom bracket?
Cheers
Johnny
If i replace my bottom bracket from a Race Face ISIS to its newer external BB, will i need my frame 'faced'? And does facing just mean skimming the surfaces of the bottom bracket?
Cheers
Johnny
0
Posts
VOODOO CANZO
Come and see me at https://www.facebook.com/biketyke/
fgaceing is explained on Parktools webby. and no you can not do it with a file at home.
As the object is to have the bb sheel faces perpendicular to the bb axis.
Parktools :?:SheldonBrown