The Velocity Aeroheat AT has the same extrusion as the Dyad. Originally designed for loaded touring, commuting, tandems, and mountain bikes, this is an extremely tough rim ideal for electric bike applications. Velocity rims are the best we've ever come across.
All Velocity rims are made in the USA. To learn more about Velocity, click HERE
From the manufacturer:
Dyad 27.5" / 650B
"One of the most versatile rims in our lineup. The Dyad is a bit wider than most, making it a great choice for touring, commuting, a tandem, cruiser or even a rim brake mountain bike.
Rim Size: 27.5" / 650B
Optimal Tire Width: 25mm - 38mm
Tire Interface: Clincher
Valve: Presta 32 - 40mm
Bead Seat Diameter (BSD): 584
Effective Rim Diameter (ERD): 559
Machined Sidewall Drillings/Colors:
32 spoke: Black"