Hope tech 3 v4 bore caphope technology is one of the world leaders in engineering bicycle components since 1989 owners ian weatherill and simon sharp have been pushing the industry forward through designing testing and manufacturing virtually all products in house at the factory in barnoldswick united kingdom features bore caps for x2 tech and race calipers small and large bore caps for tech v4 calipers bore caps for tech e4 calipers cnc machined in barnoldswick buy hope tech 3 v4 bore cap