Item Type: Bicycle Disc Brakes Conversion Seat Material: Aluminum AlloyWeight: Approx.13g/0.5ozType: Disc Screw BaseNumber of Holes: Six HolesThread: UK Normal ThreadProduct Size:48mm Base Model: Screw Center Diagonal Hole Distance: Approx. 48mm/1.9in, Adjacent Hole Distance: Approx. 24mm/0.9in44mm Base Model: Screw Center Diagonal Hole Distance: Approx. 44mm/1.7in, Adjacent Hole Distance: Approx. 22mm/0.9in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Made of high quality aluminum alloy material, with strong toughness, sturdy, durable and long service life. 2Small size, light weight, easy to install and simple to detach, providing users a good using experience. 3Used for all threaded bushes and bicycle refurbishment. Used to connect disc brake disc and threaded disc brake hub. 448mm threaded flange disc conversion seat is mainly used to repair the sliding teeth and wear of the rotating disc base of the rider. 5Usually the quincunx orifice plate uses a 44mm threaded flange disc conversion seat, which is equivalent to a base that provides a disc mounting hole.