AERO 38 II Disc 197mm rear spacing and you get the Disc

and you get the Disc Road Bike A9

The AERO series has two types of Rim and Disc

The inner width is different

External width:35 mm

Crafted from reinforced carbon fiber

AERO 38 II Disc 197mm rear spacing and you get the DiscThe AERO 38 II Disc features a carbon fiber construction and an internal width of 21mm, with an outer width of 27. 3mm. These lightweight and aerodynamic road wheels provide improved speed and handling, making them a top choice for professional cyclists. Specification Type Carbon Disc Wheelset Rims Superlight AERO 38 II Disc Material 100% Carbon Fiber Toray T700 & T800 Size 700C Rim Drills: 24 24 Holes Outer Width: 27. 3mm Inner Width: 21mm Depth 38mm