Shimano 105 5800 11 speed groupset
Shimano 105 5800 11 speed groupsetthe shimano 105 groupset continues to evolve this shimano 105 5800 11 speed groupset has successfully narrowed the gap between 105 and ultegra whilst both groupsets undeniably benefit from the joys of trickle down technology of the elder statesman dura ace the performance of shimanos 105 11 speed groupset is precise efficient and reliable shimano 105 groupset crisp light and stiffevery facet of shimanos 105 groupset has been updated from earlier model