Included: 25 parts: 4 x Presta valve cores + 4 x core protection caps, 4 x Presta valve cores + 4 x core protection caps, 4 x adapters(PV to SV), 4 x rim nuts, 1 x Core Removal Tool.
Valve core: This set contains Presta valve cores and Schrader valve cores.These two valve cores meet the needs of most bicycles, made of copper and aluminum alloy,rugged and stable.And equipped with the corresponding protective caps.
Adapter:The adapter converts Presta valve to Schrader valve. At 4S shops, car wash shops, and repair shops, we can all cheer up our bikes.There is a rubber ring at the bottom to increase air tightness.
Rim nut: Used to secure the stability between the valve and the hub.To replace the old one, you might be able to use it.
Three in one wrench: This composite tool is used to remove the French valve core on one side, and the American valve core on the other side, and a slot in the middle is used to remove the French extension rod.