A5 The WHLAXLE5 axle is a FLANGE style axle made of 2024-T351 AL alloy. This axle has a 0.75 inch diameter bearing surface. The axle has 1.103 inch four bolt hole pattern on a 1.56 reference circle. This axle assembly comes with the AN8 axle nut
MATCO mfg axles that are aluminum are black anodized and steel axles are yellow zinc.