These bobbins are made by the Robert Axle Project to complete our axles for compatibility with the BOB Trailer. Slide them on your axle ends to complete your Robert Axle thru axle for BOB Trailer.
Keep in mind it is always a good idea, on any significant tour, to carry a spare Bobbin and Trailer Pin, just in case.
Sold in pairs.
Manufactured from 303 Stainless Steel.
Includes stainless steel hardware for attaching to axle.