Sirrus X 5.0 Size:XS Just make sure you have

Just make sure you have the latest KICKR firmware installed via the free Wahoo Fitness App

Machined outer barrel for extra grip while pumping

Feel your bike come alive on the open road with the new Alpinist CL II

Updated BOA® cable routing improves lockdown while reducing pressure across anterior ankle ligaments

Accepts SWAT™ Cage Mount Road or MTB Tool

Sirrus X 5.0 Size:XS Just make sure you haveOffering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. SMOOTH; COMFORTABLE, AND EFFICIENT: The patent pending Compliance Junction frame design of the Sirrus X provides the smoothest ride in its class. Engineered vertical compliance without sacrificing lateral rigidity translates to more comfort, control, and efficiency on all roads, paved or gravel. RIDER