Sizing You can also take into consideration the standover height to ensure you pick a bike that will be a good fit. If you measure your inside leg and ensure there is a minimum of an inch from the toptube to your crotch this will give you enough seatpost adjustment to find your optimum saddle height.
Size X-Small Small Medium Large X-Large Rider height 4ft 10in and 5ft 3in (147-160cm) 5ft 2in and 5ft 7in (158-173cm) 5ft 6in and 5ft 10in (170-177cm) 5ft 9in and 6ft 2in (175-187cm) 6ft 2in and over (187cm +) ST - Seat tube 430 460 490 520 550 TT - Top tube 521.8 536.4 562.1 592.4 625.3 HT - Head tube 130 150 170 190 205 HA - Head angle 69 69 69 69 69 AC - Axle to Crown 395 395 395 395 395 SA - Seat angle 74.5 74.5 74 74 73 CS - Chainstay 434 434 434 434 434 BB - BB drop 73 73 73 73 73 FO - Fork offset 50 50 50 50 50 WB - Wheelbase 1034.1 1050.8 1073 1105.2 1131 SO - Stand over 695.4 765.9 773 812.4 815 RE - Reach 370 380 395 420 440 SK - Stack 545.2 563.9 582.6 601.2 615
