Aghast that your bike doesn't have quick-release hubs? A set of BOB Nutz lets you attach any YAK or IBEX trailer to solid-axle wheels and internally-geared hubs. In just a few minutes, you can be attaching your BOB trailer to your bike.
3/8 x 24 fits single speed coaster brake hubs; 10 x 1 fits ISO and Japanese solid axles; 3/8 x 26 fits Shimano Nexus; I.G.H. fits Sachs multi-speed and Sturmey Archer internal gear hubs with indicator chain shifting.
Designed to attach BOB Yak or Ibex to bikes without quick release rear hubs
For axel diameter 3/8 thread pitch 26 (including Nexus 7)
Product Dimensions: 0.5 x 0.5 x 0.5 inches
Weight: 4.8 ounces