5 mm front hub for quick. A number of holes to choose from, according to the needs of the rider. The wheel assembly. Aluminum body, arumiakusuru Old center distance: 100 mm, stem length: 110 mm spoke hole diameter: 2.6 mm habuhuranzi (hub): Right/Left 37.4 mm,/37.4 mm habuhuranzi flange – PCD: 39.0 mm Weight: 149g the item color, about Size Item Color May Vary Depending on the type of display, actual product may vary slightly from the product image. This listing for the specification, improved the design of the logo, etc., may be altered. In addition, the manufacturers to reveal the answer your questions about the dimension and a personalized fit and you are not the actual product. Thanks for your understanding.