Just got this reply...
"Hi Scott,
55-5090 is a CTO model that allows the customer to select a calibration. We should have one that covers this configuration. Rob can assist you with getting you sorted out.
Thanks,
Charlie Hadayia
Executive Vice President of Business Development
S&S® Cycle, Inc. | 14025 County Highway G, Viola, WI 54664
Cell 608-574-4095 | Direct 608-627-0387 Ext 1387"