
Similar to an accurate chain checker, this tool is designed to give you a quantitative measurement on exactly how worn your Bontrager tires are. Flat prevention Use this highly accurate gauge with the chart in the product image, which shows Bontrager's minimum recommended tread depth. - Dial gauge designed to precisely measure Bontrager tyre wear Dial gauge designed to precisely measure Bontrager tire wear - Use in conjunction with the chart in the product image to know minimum tread depth Use in conjunction with chart in product image to know minimum tread depth - The tyre should be measured on the centre knobs with multiple points taken The tire should be measured on the center knobs with multiple points taken - The perfect tool to prove how worn a tyre is, so you can replace at the proper interval The perfect tool to prove how worn a tire is and thus replace at proper interval