Enjoy effortless tire inflation with the innovative Clik CHUCK adapter - built for smooth, reliable performance on every ride. Clik ValveA(R) compatible bicycle pump chuck tip. Compatible with Lezyne pumps and chucks. Innovative quick connection with Clik Valves. Easy-to-use Clik Valve inflation system. Increased air flow connection. Machined aluminum construction. Industrial-strength rubber compression ring. Reliable, long lasting Clik Valve connection. SPECS: Weight: 8g Dimensions: 23.8mm, 16mm, 16mm