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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
5-base lens curvature
direct mount internal battery
CFD Tested: Unique aero design optimized through extensive CFD testing to minimize turbulence
SYNCROS Stem FL HP 31
Disc caliper sold separately
Aspero GRX RX820 12 Speed 5-base lens curvatureIn 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,
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