Aspero GRX RX825 Di2 Size:51 to go seamlessly from oversized

to go seamlessly from oversized knobbies and a suspension fork to skinny

Suntour Mobie34 CGO Boost

Three strut design for maximum load control

Extended coverage for added safety

BB Included: No

Aspero GRX RX825 Di2 Size:51 to go seamlessly from oversizedIn 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,