1997 Dean Bam Bam Frame	Seat Tube Length Center-to-Center	Actual Top Tube Length	Head Tube Angle	Seat Tube Angle	Chainstay Length	B/B Height	Headset Size	Seatpost Diameter	B/B Shell
Small	15"	22.0"	71'	73'	16-3/4"	12-1/4"	1-1/8" Oversize	27.2mm	73mm English
Medium	16"	22.75"	71'	73'	16-3/4"	12-1/4"	1-1/8" Oversize	27.2mm	73mm English
Large	17"	23.25"	71'	73'	16-3/4"	12-1/4"	1-1/8" Oversize	27.2mm	73mm English
X-Large	18"	23.75"	71'	73'	16-3/4"	12-1/4"	1-1/8" Oversize	27.2mm3	73mm English