Trek Checkpoint ALR 4

Checkpoint ALR 4 is a high-value gravel bike ready for the roads less traveled. Kitted out with a 300 Series Alpha Aluminum frame, Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tons of features like tubeless ready wheels, a SRAM Apex 11-speed drivetrain, and mechanical disc brakes make Checkpoint ALR 4 the perfect ride for ease of entry into the wide world of gravel. Sizing size-table Size Rider Height Inseam 49 156 - 163 cm 5'1" - 5'4" 74 - 77 cm 29" - 30" 52 163 - 168 cm 5'4" - 5'6" 76 - 79 cm 30" - 31" 54 168 - 174 cm 5'6" - 5'9" 78 - 82 cm 31" - 32" 56 174 - 180 cm 5'9" - 5'11" 81 - 85 cm 32" - 33" 58 180 - 185 cm 5'11" - 6'1" 84 - 87 cm 33" - 34" 61 185 - 191 cm 6'1" - 6'3" 86 - 90 cm 34" - 35"