Similar to an accurate chain checker, this tool is designed to give you a quantitative measurement on exactly how worn your Bontrager tires are. 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 tire wear
- Use in conjunction with the chart in product image to know minimum tread depth
- The tire should be measured on the center knobs with multiple points taken
- The perfect tool to prove how worn a tire is and thus replace at the proper interval