The joint of the aluminium brake surface is welded for better brake performance and the rim has wear indicators to advise when the rim needs to be replaced and built on 240s hubs these have been winning grand tour races and local crits for many years the legendary ratchet system174 drive system will last for many years and provide all the performance needed to ride in a pro peloton or on your local shop ride fast forward carbon fast forward use high tensile tc 35 carbon for the majority of