Lock-on 90 Presta Air Chuck (Bicycle)
Clip onto any bicycle tyre valve for easy and hands-free tyre inflation.


Technical Specifications:
- Rated Pressure: 150psi (10 Bar)
- Weight: 3.0oz (85g)
- Thread Types (Female): 1/4" NPT, 1/4" BSP or 1/4" BSPT
- Product Dimensions: L 2.4” × W 0.79” × H 2.1” (L 55mm × W 20mm × H 60mm)
- Front Diameter: 0.63” (16mm)
- Compatibility: Presta tyre valve (Bicycle)
- Seal Type: Sprung loaded TPU seal
- Air Chuck Activation: Manual trigger
- Lock-on Mechanism: Hardened internally threaded collet and sleeve
- Available Variants: Open flow
- Patents: EP3995367, US11913582, AU2020267180, others on application

Trigger Activated Lock-On Mechanism
- Simply depress the trigger to lock the air chuck on to the bicycle tyre valve or to release the air chuck
- Easy clip-on / clip-off
- No need to hold while inflating. Lock-on and free up both hands
- Patent-pending design
Design
- Heavy-duty construction for strength and durability
- Resistance to corrosion
- Suitable for garage and industrial air line systems
Sliding Sleeve
- Securely locks the air chuck onto the Presta valve. When you inflate … it stays on!

Static Pressure Reading
- The Presta valve is held open by the internal mechanism of the chuck.
- Allows for an accurate static tyre pressure reading
Female Thread
- Multiple thread sizes, to fit most air hose fittings
Unique 90 Degree Configuration
- Easy access into confined spaces between bicycle wheel spokes
- Ergonomic trigger mechanism for effortless connect and disconnection
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