The Reserve 3437 TA is their latest climbing wheelset developed using Turbulent Aero data and technology. The 3437 TA is designed to help get you up those mountain passes as fast as possible. Now 30 grams lighter per rim and 4 grams faster in the wind tunnel the 3437 wheels have a lifetime warranty supported by a no-fault crash replacement. And in keeping with Reserve workmanlike ways you’ll find external nipples standard spokes no tire limitations with a semi-hooked design and no rider weight limits.