Model Number: Wheel Position Washer for Components: Caliper Brake Hook Applicable Bike: Wheel Washer Hook Color: Black Material: Aluminum Alloy Package Contents: 2 x Wheel Position Washer for Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.