Description: Function: The Bicycle Wheel Centering Bow is designed to measure whether the wheel rim is located at the center of the hub. It's an essential tool for maintaining and adjusting your bicycle wheels.Applicable Size: This tool is versatile and can be used on a wide range of wheel sizes from 12" to 29". It's suitable for road bikes, mountain bikes, BMX, and other types of bicycle wheels.Features: Made with an aluminum alloy bow shaped body with a plastic coated surface for durability and longevity. It also features an aluminum alloy measuring rod with o ring positioning system, along with a movable nylon slider that allows use with tires on.Material: Constructed from quality materials including aluminum alloy, stainless steel, and nylon for maximum durability and performance. The product dimensions are 68cmx5cmx1.9cm/26.77inchx1.97inchx0.75inch making it compact enough to carry around.Note: Please note that it can also be used without the slider but the tire must be removed from the wheel. Size Chart: 68cmx5cmx1.9cm/26.77inchx1.97inchx0.75inch Package Includes: 1?Bicycle Wheel Alignment Gauge Dish Dishing Tool Note: Please allow slightly errors 1-2cm differences due to manual measurement.