Size 

A

A

D 

B 

F 

X° 

C-T 

C-C  

S 

500

450

405

507

120

740

M 

530

480

405

530

130

740

L 

560

510

405

552

150

730

XL 

600

550

405

577

170

730

A (C-T) = Seat Tube (measured center-top)

A (C-C) = Seat Tube (measured center-center)

D = Bracket - Rear Axle

B = Top Tube (measured center-center)

F = Head Tube

X° = Angle Seat Tube