SHIMANO Repair Parts Unit Link BR-CX50 Y8K598010 - Discovery Japan Mall
Shimano's in-molded R50T2 for their CX50 cyclo cross cantilever brake set.Available in 3 different spacer lengths. Short, Medium & Long.Shimano Code: Y-8K5 98040 - 247cycleshop.com
how to: install cantilever brakes quick & easy - YouTube