mhbotha Posted January 7, 2015 Posted January 7, 2015 Was looking to get a Stages power meter crank for my 2008 Cervelo P3, however besides the fact that he cranks seem to be carbon cranks FSA ISIS Drive I'm also not sure what the situation is with the BB size. According to Google the 2008 P3 had a "English bottom bracket 1.37 x24tpi with a 68mm shell width" What are my options for a new crank that would work with this size/type BB or should I be looking at other options for power? Is there any way to conform without taking apart what the BB is? Any education would be appreciated.
Long Wheel Base Posted January 7, 2015 Posted January 7, 2015 Isn't the stages crank only a one sided deal? You just remove the left arm and replace it with the new stages arm. No changing bb or chainrings.
mhbotha Posted January 7, 2015 Author Posted January 7, 2015 I thought so too, but apparently it's BB specific.
Vinnydabutcher Posted January 7, 2015 Posted January 7, 2015 I thought so too, but apparently it's BB specific.That doesnt seem right? Stages measures the stress on the crank arm - no influence on the BB. The only thing I can think of is if you buy a complete crank - then it would be BB specific. Also check out 4iiii`s - could be another option.
JA-Q001 Posted January 7, 2015 Posted January 7, 2015 A BSA BB is your most common that there is. You can use basically any crankset except true BB30 cranks with it. Your cheapest stages option would be to get a sram rivel crankset. This uses a external BB that screws into the BSA BB shell. Otherwise you can also use any shimano stages cranksets. (please note that I am talking about cranksets, as your current crank and BB wont work.).
Cat2forLife Posted January 7, 2015 Posted January 7, 2015 If you've got a 24mm BB on there, you can fit any Shimano crank
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