ProTyre Valve Caps - 4 Piece Tyre Deflator Automatic - PY20122

Features:

• Automatically deflates tyres down to 6psi - no tools required. Simply thread onto valve stems & walk away.
• Adjust to desired psi & tighten lock ring
• Immediately releases air from tyre once screwed on
• Adjust tyre pressure from 6-30psi
• Disassembles easily for cleaning out sand or dirt
• Built in manual start/stop valve
• Made from 100% brass to eliminate rust
• Compatible with standard Schrader type valve systems
• Saves time over manual deflation