Yoeleo SAT C50|88 Ghost 700c Carbon Wheels Triathlon Bike Wheelset Special Assembly Technology (SAT) increases 30% wheels strength and 10% inflation capacity,provides better durability & brake ability Basalt brake surface has good heat-insulation qualities and high thermal durability,best brake effect can be achieved by using YOELEO ceramic fiber brake pads supplied with our carbon wheels Straight pull setup gives stiffest wheels condition and lasting performance;A great wheelset for time trial and triathlon use 23MM Wide U shaped carbon wheels achieve best performance in crosswinds and cornering YOELEO Carbon Wheels meet EN Standard (SGS TEST No.:GZHG1501000192BC),with 1 year warranty guarantee under normal usage