Tube diameter
Gear ratio
Length between frames (BF) in mm
300
400
500
600
700
800
Mass in kg
50 mm
18:1
1.8
2.0
2.3
2.4
2.5
2.7
900
1000
1100
1200
1300
1500
2.9
3.0
3.2
3.4
3.6
3.8
