Aspero Rival XPLR AXS 1 Size:56 these BB cups press directly

these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability

Large and Small sizes to fit your design

high-grade steel and mounted to a rugged Composite Matrix base

With a modern take on the iconic Dutch city bike

Aspero Rival XPLR AXS 1 Size:56 these BB cups press directlyIn 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,