Size: 6AN Male to 5/16" (we also have 6AN Male to 1/4" or 3/8"). 1 Pcs Hose Barb Fitting Adapter. 15mm Thru Axle Hub Adapter to 9mm Quick Release QR Skewer MTB Bicycle Bike. The fitting is made of aluminium alloy, not easy to break, ensuring long service life.
