EB16: Rotor expands oval Qarbon Q-rings & teases noQ 46/30 one-piece Spidering for gravel grinding

Rotor calls their top level ellipticalĀ chainringsĀ Qarbon, as an impossible to pronounce contraction of Q-ring and carbon fiber. Basically they are just the same ovalized ring … Continue reading EB16: Rotor expands oval Qarbon Q-rings & teases noQ 46/30 one-piece Spidering for gravel grinding