Our Shock Pump allows you to adjust the pressure in the Loam Post to customize the return rate of your saddle, or adjust the Coast Post air spring rate based on rider weight and ride preference. The pump features an easy-to-read dial displaying both PSI and Bar pressures, an ergonomic handle, and an extra-long valve head to reach recessed valves, like the one found in our Loam Post. The pump will also work with any mountain bike air suspension forks and rear shocks. Made with a durable aluminum tube, and backed by our Lifetime Warranty. Aluminum Barrel w/ Extra Long Valve Head and Ergonomic Handle Max 300 PSI Micro Air Adjust Button SPECS Max PSI: 300 Easy-To-Read Gauge displaying both PSI and Bar Micro Air Adjust Button (2-3 psi increments) Extra Long Valve Head Ergonomic Handle Aluminum Barrel Weight: 210 grams Pump Dimensions: 220mm x 79mm x 35mm Will this pump work with bicycle tires? No, the PNW Shock Pump is designed to work with the high-pressure air spring cartridges found in our Loam and Coast Dropper Posts, and typical air-sprung suspension forks and rear shocks.