Ride faster than ever before with this cross country 2018 Trek Procaliber 8 Hardtail Mountain Bike designed to set the bar for hardtail speed & smarts. This superb 2018 Procaliber Hardtail is the fast, ultra-light cross country ride that rules the singletrack; from the local race scene to the World Cup XC. Procalibers innovative Iso Speed decoupler delivers uncompromising XC performance, efficiency & brings an incredible feel to any ride. Its the fastest, smoothest & smartest hardtail on the trail. Alpha Platinum Aluminium frame Shimano SLX M7000, 11-speed drivetrain Shimano MT500 hydraulic disc brakes