Inflating a hollow inner tube: first connect the pump to the inner tube valve and then start the pump to inflate the inner tube.
eBay
GIYO 120psi Portable Bicycle Pump with Gauge Mini Hand Cycling Air Pump Mountain Bike Smart Valve Pump Ball Toy Tire Inflator
Aliexpress UK
The digital display ensures precise air pressure readings, helping you maintain optimal tire inflation. Crafted from durable alloy, this pump combines strength with lightweight design for easy portability.
eBay
Portable Bicycle Pump 150 PSI Bike Manual Air Pump Balloon Tire Inflator Electric Tire Inflator Pump Cycling Accesories
Aliexpress UK
Cordless lightweight design and comfortable grip make it easy to carry. Type: Car Tire Inflator. Auto Air Compressor: Tire Inflator 12V. Function: for Car Tire, Bicycle, RV and Other Inflatables. Perfect for inflating cars, motorcycles, bikes, balls, and other inflatables.
eBay
ROCKBROS 160psi Bike Pump Aluminium Alloy CNC Manual Air Inflator Pumps Barometer AV/FV Valve Ultralight Portable Bicycle Pump
Aliexpress UK
Designed for both Schrader and Presta valve types, this pump is a versatile accessory for various bike models. Its portable mini size makes this pump easily storable, perfect for cycling enthusiasts on the go.
eBay
Mtb Pump Aluminum Alloy 160PSI Mini Bicycle Pumps Portable Pocket Bike-Pump Fits Presta/Schrader Valve Cycling Tire Pumps
Aliexpress UK
Mini Bicycle Pump Portable Bike Tyre Inflator – Presta & Schrader. Designed to work with both Presta and Schrader valves for added convenience. Compatible with Presta & Schrader valves. Portable mini design – easy to carry or mount on bike.
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AIRBANK Mini Portable Bicycle Pump Rechargeable Air Inflator 100PSI Type-C Bike Accessories for Schrader Presta Bike Tires AS100
Aliexpress UK
4.Type-C charging with battery indicator. Preset+custom pressure mode automatic stop. Long battery life can inflate ≈25-40pcs different balls ,rugby, football, basketball, volleyball,swim ring.
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AIRBANK AS100 Mini Portable Bicycle Pump Rechargeable Air Inflator 100PSI Type-C Bike Accessories for Bike Schrader Presta Tires
Aliexpress UK
Tire floor pump--compatible to universal use and valves, pump can inflate for bicycles, motorcycles,, swimming ring, basketball, football, life buoy, air bed, and any inflatable balls.
eBay
Portable Bike Pump 120PSI - Bicycle Tire Inflator with Mounting Bracket, Anti-Corrosion for Mountain Road Bike Emergency Repair
Aliexpress UK
USB output:- 5V 1.5A. Portable :Compact and lightweight design makes it easy to carry around on your bike rides. • Portable :- Compact and lightweight design makes it easy to carry around while cycling.
eBay
Mini Portable Bicycle Pump Rechargeable Electric Air Inflator 100PSI 5V Type-C Bike Accessories for Bike Schrader Presta Tires.
Aliexpress UK