Join Date: Feb 2007
Location: Mid Willamette Valley, Orygun
Bikes: 86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.
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I've got an 86 RockHopper and the crank On the right resembles it.
I used a 122.5 MM BB. EDIT: make that 122.5 Cartridge
Do you still have the spindles? They might have a code stamped on them like 3P, 3n etc.
My Hopper HAD a 3P, which has the DS of the spindle 3MM longer than the NDS.
I swapped cranks with a 91 TREK. BOTH bikes used the 3P, so I didn't have any problem, but your mileage....
Last edited by Bill Kapaun; 03-08-08 at 02:23 PM.