Home › Forums › Power Commander Maps › 106 Steel Frame Torque Tubes, Vic Stg1 pipe › Reply To: 106 Steel Frame Torque Tubes, Vic Stg1 pipe
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On a steel frame bike, it’s not really needed.
MAINLY: the base timing maps in the stock steel frame ECM are better than, say, a Cross bike.
But Secondarily: The lighter, faster revving steel frame models don’t spend a bunch of time under 2500 anyway and it’s not really worth nitpicking that area.