IGO ELECTRIC BIKES Shimano Alivio Derailleur - 9-speed - Rear 010-100 Powercore Silencer class-leading resonance absorption and prevention

class-leading resonance absorption and prevention Use proprietary materials with specific acoustical dampening and thermal insulation properties The frequency and location of the perforation patterns in the cores creates significant sound scattering in the mid frequencies

The main upper material is microfiber Tongue and rear accordion made by lightweight padded material that offer superior comfort

or play music to change colors

Shell construction utilizes a highly advanced molding technology with a multi-composite combination: uni-directional carbon composite with aramid layer that gives significant radial strength around the shell

Flap designed to protect the brake and clutch pumps

IGO ELECTRIC BIKES Shimano Alivio Derailleur - 9-speed - Rear 010-100 Powercore Silencer class-leading resonance absorption and preventionShimano Alivio Derailleur 9 speed Rear