The roux the frame is made from 7005 heat treated alloy with butting to reduce weight it also features a strengthening gussets designed in the uk with tube profiles unique to roux these cyclocross bikes uk canrsquot be found anywhere else shimano 8 speed drivetrain loaded with a shimano acera rear derailleur and a 8 speed shimano dropbar shiftesr a silky smooth gear change is what you will get here a wide range of gears assures you that battling through the country lanes or round to