There are actually more cost-effective gauges, including the Schwalbe Airmax Professional at £17.99, but that lacks a bleed button, contains a more compact Show and only goes approximately 160psi. Meanwhile the Fabric Accubar is £34, but only goes up to 40psi and it is Obviously geared toward mountain bikers. The http://fernandorvwvt.blogdigy.com/topeak-d2-smartgauge-fundamentals-explained-17909117