Through Authenticate 
special welding seatstay, reveal the refined workmanship of steel frame.
It’s aggressive, also in style.
|
S
|
M
|
L
|
|
|
A. Head tube lenght
|
85mm
|
85mm
|
85mm
|
|
B. Head tube angle
|
70.4°
|
67.7°
|
66.4°
|
|
C. Top tube lenght
|
520.0mm
|
530.0mm
|
540.0mm
|
|
D. Seat tube angle
|
530mm
|
550mm
|
570mm
|
|
E. Seat tube length
|
74°
|
74°
|
74°
|
|
F. Seat tube diameter
|
28.6mm
|
28.6mm
|
28.6mm
|
|
G. Chain stay length
|
405mm
|
405mm
|
405mm
|
|
H. Chain stay angle
|
64.1°
|
64.1°
|
64.1°
|
|
I. BB drop
|
65mm
|
65mm
|
65mm
|
