DESCRIPTION: The most compact, lightweight Dual Action pump with gauge that road riders can fit anywhere. Large integrated 1-1/8” diameter easy-to-read analog gauge provides the perfect inflation every time. Dual-Action (DA) doubles volume with each stroke and inflates tires to 120 psi / 8 bar. Integrated dust cap keeps pump head clean and thumb lock lever insures air-tight seal. HEAD : Presta with integrated dust cap BARREL / THUMB LOCK : Aluminum HANDLE : Polymer CAPACITY : 120 psi / 8 bar, 1-1/8” Analog VOLUME PER STROKE : 36 cc (pull + push) ADDED FEATURES : Dual action pumping head. Side mount bracket SIZE : 21.8 x 3.4 x 3.1 cm / 8.6” x 1.3” x 1.2” WEIGHT : 116 g / 4.09oz