Carbon Gravel wheels with an aerodynamic advantage- 24.0/30.0mm internal/external width clincher rim, 30-53c tire compatible- Vault sealed cartridge bearing front and rear hubs, 60 points of engagement- Center Lock rotor interface (max 180mm)- Sapim double bladed spokes with Secure-Lock alloy nipples- HG 11sp road: Compatible with HG splined Shimano/SRAM 11sp cassettes. Also compatible with Shimano/SRAM 8-10sp cassettes with space- XDR is 1.85mm longer than XD Driver, occupies the same space as an 11-speed HyperGlide road driver- Lifetime warranty- 1495g f/r set