U shape road bike carbon rims
U shape road bike carbon rims make a big difference in more ways ever,not only more aerodynamic than other rim design,also improves handling in crosswinds and overall ride quality.
25mm U shape wider carbon rims can provide less rolling resistance than narrow rims before.At eaqual tire pressure,wider rims has a wider but shorter contact patch,that means less energy will be wasted when riding.
Now in GTL-BIKE,700c clincher/tubular for 38mm/50mm/60mm/88mm U shape carbon rims are available. Below is picture comes from GTL-BIKE offical website.