The bontrager race liteacc freehub shimano this class of hub is convertible from shimano to campagnolo or campagnolo to shimano by changing only the cassette body this was not possible on previous versions of race lite road hubs bontrager race liteacc freehub shimano features original equipment replacement parts for bontrager hubs used on aeolus acc race lite road and classics wheels designed and optimised for low weight use with race