1997 Ventana  El Martillo	Seat Tube Length	Top Tube Length	Seat tube Angle	Head tube Angle	B/B Height	Chainstay Length	Standover Height	Head Tube Length	Front Center	Rear Center	Wheelbasae	Fork Rake
48cm	48.26cm	51.18cm	73'	72'	27.62cm	40.97cm	73.41cm	8.89cm	53.98cm	40.49cm	94.46cm	4.06cm
50cm	50.80cm	52.71cm	73'	72.5'	27.62cm	40.97cm	74.93cm	8.89cm	55.42cm	40.49cm	95.91cm	4.06cm
53cm	53.34cm	54.99cm	73'	73'	27.62cm	40.97cm	76.53cm	10.16cm	57.25cm	40.49cm	97.74cm	4.06cm
56cm	55.88cm	56.85cm	73'	73'	27.62cm	40.97cm	78.64cm	12.07cm	59.16cm	40.49cm	99.64cm	4.06cm
58cm	58.42cm	58.42cm	73'	73.5'	27.62cm	40.97cm	80.75cm	13.97cm	60.33cm	40.49cm	100.81cm	4.06cm
61cm	60.96cm	59.84cm	73'	74'	27.94cm	40.97cm	82.88cm	15.88	61.39cm	40.49cm	101.85	4.06cm