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|Top Tube (effective)||563|
|Top Tube (actual)||492|
|Seat Tube C-T||582|
|Seat Tube C-C||641|
|Seat Tube (effective)||724|
|Fork Length (A2C)||313|
|Data Source||Measured Own Bike|
Note: This is a (from serial no) 1979 Canadian Built Grand Prix. Not original, Cranks have been changed from Cottered to non-cottered, Tyres are 27 x 1 3/8
Measurements are in millimeters and degrees.