Size	ST(C-T)	Head Tube	Head Angle	Top Tube	Seat Angle	Stack	Reach	Wheelbase	Front Center	BB Drop	Rear Center	Fork rake
XS	499	115	72	525	74	523	374	991	577	76	425	50
S	518	135	72.5	539	73.5	541	378	991	583	74	420	50
M	536	150	73	554	73.5	559	388	990	586	74	415	43
L	548	165	73.5	565	73	573	390	992	588	72	415	43
XL	565	180	73.5	577	73	588	398	1004	600	72	415	43
XXL	582	200	73.5	593	72.75	605	406	1023	613	70	420	43

Frame Size	Height Range*
XS	5’0” - 5’4” (152 - 162CM)
S	5’3” - 5’8” (160 - 172CM)
M	5’6” - 5’10” (168 - 178CM)
L	5’9” - 6’2” (175 - 188CM)
XL	6’0” - 6’4” (183 - 193CM)
XXL	6’3”+ (190CM+)

*This is a rough guide, and we recognize that everyone is different. If you have any concern about fit or sizing please email us at support@ritteracing.com and we would be glad to make sure you get the best fitting bike possible.