The orro terra gravel disc 105 gravel bike 2017 delivers a road worthy ride with a wild side fast and fun with a spirit that wills you to get off the beaten track the osd triple butted 6061 aircraft grade aluminium frame is equally adept at adventures as commutes designed with venturesome riders in mind those who may want to take the shortcut along the towpath hammer the bridleways instead of the tarmac a low bottom bracket cultivates your confidence through the technical sections of