Use a non-turn washer that matches the shape of the rear dropout. Different non-turn washers are
used for the left and right sides.
Marking
Rear dropout
Non-turn washer
Mark / Color
Size
For right
For left
Standard
5R / Yellow
5L / Brown
θ
≤ 20°
7R / Black
7L / Gray
20° ≤
θ
≤ 38°
Reversed
6R / Silver
6L / White
θ
= 0°
Reversed (full chain case)
5R / Yellow
5L / Brown
θ
= 0°
Vertical
8R / Blue
8L / Green
θ
= 60° - 90°
* Vertical: Does not include the coaster type.
If the hub nuts are cap nuts, use a frame with rear dropouts that are at least 7 mm thick.
Installation/removal
Installation of the hub to the frame
25
