The specialized rockhopper comp 29er mountain bike 2017 will take your rides to the next level offering the perfect balance between performance and durability with an a1 sl aluminium frame construction the rockhopper comp 29 is equal parts light and compliant working perfectly with the trail 29 geometry that provides confident handling and great efficiency both up and down hill thanks to a low bottom bracket roomy top tube and short chainstays complete with corrosion resistant h