Bottom Bracket size
steprog15
Posts: 14
I've just bought a GT Aggressor 2.0 14" frame and want to find out what size BB i need.
do i just measure the internal length & height??
do i just measure the internal length & height??
0
Comments
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You need to measure the width of the shell - should be 68 or 73 mm IIRC.
You then need the correct axel width for chainline and crankset.
Check out the tech doc on their webby.
I wouldn't bother tho - buy a Deore HTII M590 crank set and your problems will disappear (if the frame's been faced)0