I consider getting some drum brake hubs for a tadpole project.
Sturmey archer do 2 sizes 70 or 90mm.
Is there a big different in the braking capacity of the different sizes?
Do you need the 90mm brake hubs for a tadpole?
Sturmey archer do 2 sizes 70 or 90mm.
Is there a big different in the braking capacity of the different sizes?
Do you need the 90mm brake hubs for a tadpole?