Inflating car valves has never been easier. With this aluminum nipple including check valve, you can use a normal bicycle pump for your mountain bike or ATB tires (car valve). Chrome-plated for a long lifespan. Additional information Chrome-plated aluminum. With non-return valve. For ATB / Car valve. 8711646025044 With the Simson Pump Nipple ATB, a tire with an ATB valve (car valve) can be inflated with a regular bicycle pump. The Simson Pump Nipple is made of brass for an optimal lifespan. Screw the Simson pump nipple onto the ATB valve, after which the tire can be inflated with a normal bicycle pump. After inflation, remove the pump nipple from the valve. The Simson Pump Nipple ATB is supplied per 1 piece.