Function: 1. The wheel mounting aid is made of steel, galvanized and very stable. 2. Ideal for securing the wheel to the hub when changing the wheel. 3. Easier to find the screw holes when assembling the bike. 4. It immobilizes the mounted wheel and at the same time facilitates screwing. 5. We screw our bolts into the threaded hole in the hub, fill the rim with the hole for the wheel mounting aids. Specification: Characteristics: The wheel mounting aid is made of steel, galvanized and very stable. Ideal for securing the wheel to the hub when changing the wheel. Easier to find bolt holes when assembling the bike. It immobilizes the mounted wheel and at the same time facilitates screwing. We screw our bolts into the threaded hole on the hub, fill the rim with the hole for the wheel mounting aids. Specification: material: stainless steel Colour: silver Item Quantity: 1pc Model: M14-1.25, M14*1.5 (Optional) Application: Universal for German cars Package List: 1 * Wheel Assemble Assist