Discover the perfect blend of lightweight strength and versatile performance with the Crankbrothers Sterling Hand Pumps. These premium alloy and composite pumps boast an impressive weight of 116g and a durable construction, designed to withstand up to 100 psi. The patented high volume/high pressure air switch allows for quick inflation under 40 psi, followed by easier pumping up to 100 psi. The auto-adjusting smart head is compatible with both Presta and Schrader valves, ensuring seamless usage. The Sterling pumps include a bracket mount for added convenience. With a 5-year warranty, these hand pumps are a reliable choice for all your inflation needs.