Fits 31.8MM Bars //// Stem length 45MM Pick your ride: PRO-BLUE LARGE BAR POLYMERS AND TWO SHARK BITE POLYMERS-BLUE & ORANGE MODERATE-GREEN LARGE BAR POLYMERS AND TWO SHARK BITE POLYMERS-BLUE & ORANGE TRAIL-NEON RED LARGE BAR POLYMERS AND TWO SHARK BITE POLYMERS-BLUE & ORANGE Polymer Combinations: Firm(BLUE)/Firm(ORANGE)--most sprinting efficiency, least amount of bar twist. Firm(BLUE)/Medium(BLUE)-- most efficient while adding more for/aft twist. Medium(GREEN)/Firm(ORANGE)-- adds damping while keeping the least amount of bar twist. Medium(GREEN)/Medium(BLUE)-- more seated positions, more bar twists and torsional damping. Soft(RED)/Firm(ORANGE)-- seated positions looking for the most damping and compliance. ***HAMMERHEAD 360 is designed for mountain bikes and E mountain bikes only and not to be used on electric motor bikes such as Surron.
