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@ewanmac
OK, so I haven't yet heard about my Vector warranty (I'm due to talk to the LBS tomorrow), but if I wanted to sell the vectors to buy a P2M, which unit would I need?
I currently run an OEM FSA chainset on the TT bike (with Ultegra mech etc), and Sram Rival on the road bike. I have absolutely zero understanding about different BB systems, but both have conventionally threaded BSA BB shells, one fitted with a GXP BB and the other with a FSA Mega Exo BB.
I think I prefer the look of the Rotor options, but what exactly are the differences between the different cranks? Some seem to say they are compatible with different BB systems etc. Obviously I would want to be able to switch the power meter quickly and easily between bikes, and hopefully I don't want to shoot myself in the foot by being tied to a particular BB standard if I upgrade either bike so which ones should I buy and why? Also presumably I'd need to buy two of the associated Rotor BBs for compatibility?
Also I presume all the rotor offerings are compatible with both 10 and 11sp chainrings?
This is all way too confusing for me... I understood how to change pedals...