SRM-PowerMeter Cannondale SI Installation Cannondale SuperSix Evo Frame
Information about the 2012 Cannondale SuperSix Evo frame and fitment regarding the current Cannondale SRM PowerMeter (and older version)
Below is the proper installation process for correct fitment.
Both old and new PowerMeter will fit on EVO frames, but one of the following two steps need to be done:
1. Replace the dust shield on the non-drive side of the SRAM PF30 BB with the standard Cannnondale dust shield. The Cannondale dust shield is thinner and this will shift the entire crank over to the drive side by about 2 mm. Use the special SRM spindle that is available from Cannondale as QC850.
2. Take out the SRAM PF30 BB and replace with Cannondale KP197/SRM. This is a set of BB cups with bearings that have a lip on the drive side that is only 1 mm thick (with a 0.5 mm chamfer - drawing below) as opposed to the SRAM cup that has a 1.5mm lip. This should also be used with the SRM spindle and the advantage of this option is that the whole crank is not shifted quite so far over to the drive side.