Size	15“	17”	19“	21”
Seat Tube (BB Center to Top)	382mm	432mm	483mm	533mm
Top Tube (effective)	565mm	585mm	615mm	640mm
Chain Stay (actual)	425mm	425mm	425mm	425mm
Seat Tube Angle	73°	73°	73°	73°
Bottom Bracket Drop	53mm	53mm	53mm	53mm
Head Tube Length	100mm	105mm	115mm	130mm
Head Tube Angle	71°	71°	71°	71°
Seat-Post ID	31.6mm	31.6mm	31.6mm	31.6mm
Seat-Clamp ID	34.9mm	34.9mm	34.9mm	34.9mm
Fork Length	481mm	481mm	481mm	481mm
Fork Rake	39mm	39mm	39mm	39mm
Wheelbase	1032.5mm	1052.5mm	1083.3mm	1108.4mm
Weight(g)		1150±50	1190±50	1225±50