• Not another option. Nah, I'm only running Powertap or Power2max. SRM wireless at a stretch. I can't be dealing with another different unit. Push comes to shove I'd use SRM on the existing cranks or buy some Rotor Flow or something similar that meets my crank length needs and fits the BB.

  • Push comes to shove I'd use SRM on the existing cranks

    You can't, since the 9000 cranks don't have a removeable spider, which is why the SRM '9000' cranks use the old 7800 SRM-special cranks repainted to look like 9000 cranks.

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