This adapter spaces out the standard hitch allowing bike frames with hooded/tight rear dropouts to have hitch clearance. This adapter is also used in breezer style dropout applications for proper hitch installation.
Select the version that matches the diameter and thread pattern of your rear axle.
Adapter 3/8 x 26G - for Shimano internal geared hubs
Adapter M10 x 1.0 - for standard clutch
Adapter M10.5 x 1.0 - for Sachs-/SRAM
internal geared hubs