R3 / R5 / S5 Geometry
Size	Top Tube Length	Head Tube Height	Head Angle	Seat Angle	Standover
48	516	108	70.5°	73°	693
51	531	128	72.2°	73°	723
54	548	148	73.1°	73°	753
56	564	173	73.5°	73°	784
58	581	199	73.5°	73°	815
61	597	225	73.5°	73°	846