Park Tool ParkTool Unisex Adult Inf Compressor Attachment, Multicoloured, One Size

Finally a compressed air pump specially developed for bicycle mechanics Dual head allows both Schrader and Presto valves to be used, no more fiddling with easy to lose brass adapters Proper seal on the valve means less leakage when trying to accurately adjust the tyre pressure Tool designed for inflating tires in a workshop or professional setting