Aluminum Bicycle Valve Adapter for Converting Presta and Dunlop Valves to Schrader Pump Heads, Knurled Threaded Tire Inflation Converter in Six Colors

Presta and Dunlop valve conversion

This compact threaded adapter converts a compatible Presta or Dunlop bicycle valve connection to a Schrader-style inflation interface. It allows a suitable Schrader pump head or air chuck to connect when the original bicycle valve uses the supported smaller threaded format.

Aluminum alloy construction

The source identifies an aluminum alloy body. The compact metal adapter is intended for repeated bicycle tire inflation use while adding very little carried weight to a saddle bag, repair kit or workshop drawer.

Knurled hand-grip section

A textured knurled section provides a defined finger grip for installing and removing the adapter. Thread the adapter on by hand and stop when the connection is seated. Avoid excessive tightening that could damage the valve threads or seal.

Internal sealing insert

The product photographs show a dark internal sealing insert at the female end. Inspect the seal and both threaded ends before use, and replace the adapter if the threads or seal show damage that prevents an airtight connection.

Six color choices

Choose green, gold, silver, black, red or blue. Each option is one adapter in the selected color. The photographed finish may appear slightly different under various lighting and display settings.

Compact size and verified weight

The source detail image lists an approximate net weight of 2 g per adapter. Confirm compatibility with the bicycle valve and inflation equipment before use, release pump pressure before removal, and reinstall the valve cap after inflation when applicable.