High quality steel bearings

8: For frames with 41mm inner top diameter

A digital gauge would offer more precise pressure readings

While the insert is built strong a crash or impact can still break it

127" nipples and the 3-sided design with large wings make it extremely easy to use

Park DCW-1 13mm-14mm Double End Cone Wrench Envelope Shipping High quality steel bearingsPark Tool DCW 1 Double Ended Cone Wrench 13 & 14mm Features: These cone wrenches are designed for the home mechanic or occasional user. Made of thin steel and are nickel plated and heat treated for long use. Their small size makes them ideal to carry along for quick repairs.