Geometry

in
mm
2021 ARC Geo Diagram
SM MD LG XL
A WHEEL SIZE 29 29 29 29
B REACH 16.3 17.3 18.1 19.1
C EFFECTIVE TOP TUBE LENGTH 22.8 23.8 24.7 25.8
D Stack 25.0 25.3 25.5 25.9
E HEADTUBE LENGTH 3.7 4.1 4.3 4.7
F SEAT TUBE LENGTH 15 16.1 17.7 19.5
G EFF. SEAT TUBE ANGLE 75.5 75.5 75.5 75.5
H HEADTUBE ANGLE 66.6 66.6 66.6 66.6
I ESTIMATED BB HEIGHT 12.3 12.3 12.3 12.3
J REAR CENTER 17.0 17.0 17.0 17.0
K FRONT CENTER 28.1 29.2 30.1 31.2
L WHEELBASE 45.2 46.3 47.2 48.3
M STANDOVER 28.6 28.6 28.5 28.5
N AXLE TO CROWN 21.9 21.9 21.9 21.9
O OFFSET 1.7 1.7 1.7 1.7
P VERTICAL FORK TRAVEL 5.1 5.1 5.1 5.1

Fit Guide

  • sm
    5’1” - 5’7”
  • md
    5’5” - 5’11”
  • lg
    5’10” - 6’3”
  • xl
    6’1” - 6’7”