OVERVIEW
The Hardline QS-2 QuickStem delivers rapid replacement for torn, cracked, or leaking valve stems on tubeless wheels. Built from hardened steel alloy, this.625-inch push-in valve stem restores airtight sealing for ATVs, UTVs, motorcycles, trailers, and agricultural equipment without requiring tire disassembly.
ENGINEERING & PERFORMANCE
The direct-push mounting design eliminates bead-breaking and allows complete field installation in approximately sixty seconds. The non-corrosive steel alloy core maintains structural integrity under repeated inflation cycles and handles sustained pressures up to 200 PSI. An abbreviated stem height lowers the contact profile, protecting the valve from rock strikes, rut snags, and mechanical abrasion during heavy trail or ag work.
KEY FEATURES
- .625-inch straight base engineered for standard tubeless rim valve bores
- Premium steel alloy construction eliminates rust and brittle failure
- Push-and-tighten installation requires no specialized tools or tire removal
- Rated for 200 PSI maximum working pressure
- Short-profile stem reduces trail and track impact damage
- Sells as a two-piece pair with mounting nut included
- Designed, engineered, assembled, and tested in the USA using domestic and global components
- Direct replacement for worn factory tubesless wheel valves
TECHNICAL SPECIFICATIONS
- Brand: Hardline
- Part Name: QS-2 QuickStem Push-In Tire Valve Stem
- Product Type: Tire Valve Stem
- Material: Steel Alloy
- Base Diameter:.625 inches
- Maximum Pressure Rating: 200 PSI
- Package Quantity: Pair
FITMENT
- Universal — fits most motorcycle, ATV, and UTV wheel applications as specified.
- Lawn and turf service equipment
- Trailers and automotive tubeless wheels
- Tractors and agricultural implements
WHY RIDERS CHOOSE THIS
Hunters, farmers, and off-road riders select the QS-2 QuickStem when equipment reliability cannot wait for shop visits. The steel alloy body and reinforced mounting nut create a rigid, leak-free seal that outlasts failing rubber valves in dusty, vibration-heavy environments. Because technicians can seat and inflate the valve without touching the tire tread, wheel balance remains intact and labor time drops dramatically. This durable, tool-light solution keeps tubeless platforms running smoother across rough ground and heavy loads.