The design for wheels in TD series is classic symmetry, which is very different from XY series. It is still the most commonly used design in the market. If you observe its cross-section carefully, you will find that it is more close to the traditional design for the aluminum wheels. If it is your first time to use carbon fibre wheels, TD will be your best choice. Because they will give you similar felling when you are using aluminum wheels. TD series targets players who use carbon fibre wheels the first time.
TD road rim will provide more choices of depth sizes. Its feature mainly focuses on the design of the rim's depth. It is about 60mm,even 88mm. Its rim is in an arc. It will increase the contact area with air and weight. This design will reduce the influence of the lateral wind on you when you are enjoying aerodynamics.