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Complete with Shimano's amazing Ultegra Di2 group
The path a chain takes during each revolution requires passing through a chicane of derailleur cage pulleys diminishing your return on each pedal stroke
once favored by top World Tour riders on CSC and the Cervélo Test Team
Each Swift bike is built on a lightweight aluminum frame with race-proven geometry
Cervélo Aspero, 2025, GRX RX610, Woodsmoke Ultimate T10+ Complete with Shimano's amazing UltegraHAUL ASS, NOT CARGO In 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
