Wheel rim assembly

A wheel rim assembly comprising:

• a hub having a case and two flanges formed on two ends of the case, the hub located at a center of a rim, the rim having multiple reception recesses defined in an inner periphery thereof;
• multiple spoke units each connected between die flanges of the hub and the inner periphery of the rim, each spoke unit having a first connection member, a first end of a spoke extending from the first connection member, the spoke being an X-shaped spoke, the first connection member axially connected to an outboard of the flange corresponding thereto, each first connection member being a curved, member, and having a first recessed area and a second recessed area respectively and axially defined in an outboard side and an inboard side thereof, the connection members of the spoke units connected to the flange corresponding thereto, and the flange engaged with the second recessed areas of the spoke units, each first connection member having an engaging recess defined in one of two ends thereof, a protrusion extending axially from the inboard side of each of the first connection members, the protrusion of one first connection member being engaged with the engaging recess of another first connection member, a second end of each spoke connected to the reception recesses of the rim, and two covers respectively connected to two ends of the hub and covering the first connection members of the spoke units.