Aspero GRX RX820 12 Speed direct mount internal battery

direct mount internal battery

and is the most aerodynamic gravel bike ever created

Disc caliper sold separately

5-base lens curvature

puncture-resistant tires

Aspero GRX RX820 12 Speed direct mount internal batteryIn 2019, spero took the gravel world by storm, heralding a new era of speed in gravel. Fun, but flat out. The new spero remains true to its original brief, but with some improvements: a threaded BB shell, neater cable routing, and a UDH compatible derailleur hanger for those who want to use SRAMs Transmission drivetrains. And its more aero, of course. In the case of spero, aerodynamic performance is less about pure speed as a result of drag reduction,