Manufacturer's Description: The latest 5 spoke model "57CR"is generated from the original model gramLIGHTS "57C". Carefully selected sizes are adopted for the sports scene including drift competition. The spoke begins from of rim well and concavity towards the center part of wheel providing the spoke profile priority to rigidness and lightness. Also, adopted exclusive different concave face design for each rim width. 57CR is the simple and conventional 5 spoke style and is not affected by trends. It is exactly royal lord of a pure sports model.