Apidura Aero Module Top Tube Pack 37.5 but what does that actually

but what does that actually mean

Its low-profile center knobs provide low rolling resistance

It features CBN fine-machined bearings and a contact seal freewheel to ensure smooth rotation and long-term reliability in all-terrain conditions

Exceptionally detailed chamfered edges and channels throughout

Apidura Aero Module Top Tube Pack 37.5 but what does that actuallyThe Apidura Aero Top Tube Module is a performance oriented solution for competitive gravel racers, developed through rigorous Computational Fluid Dynamics (CFD) analysis. It enhances aerodynamic performance, integrating with your bike to smooth airflow behind the stem and improve efficiency. This system, when combined with the Aero Frame Module, creates an average 5 watt saving at race speed, validated through wind tunnel testing. Constructed with