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ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140
ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 is a compact, rechargeable air compressor with 150 PSI max pressure, priced at $66.99. Ideal for cyclists needing fast, precise tire inflation on road or trail.
$66.99
● In stock
Buy at Yiwu Rock Sports Goods →Price and availability may change. Click to see current details on Yiwu Rock Sports Goods.
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Key features
- 150 PSI max pressure for road and MTB tires
- Digital LED display with real-time PSI readout
- Preset pressure and auto shutoff protection
- Dual compatibility with Presta and Schrader valves
- USB-C rechargeable 500mAh battery (1.5h charge)
- Ultra-compact: 90x51x33mm, 165g
- Inflates 2-3 bike tires per full charge
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Pros
- +Extremely portable and lightweight
- +Accurate digital pressure control
- +Fast inflation with auto-stop safety
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Cons
- −Limited to 2-3 inflations per charge
- −Battery not replaceable by user
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About ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140
What is ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140?
The ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 is a lightweight, battery-powered air compressor designed for cyclists who demand convenience and accuracy. Weighing just 165g and measuring 90x51x33mm, this pump fits in a pocket or mounts to a backpack. It delivers up to 150 PSI of pressure, suitable for road, mountain, and hybrid bikes. With a built-in 500mAh lithium battery, USB-C charging, and an LED digital display, it offers precise pressure control and auto shutoff for safety and efficiency.
Key features
- 150 PSI Max Pressure — Supports high-pressure road and MTB tires with precision.
- Digital LED Display — Real-time PSI readout for accurate inflation.
- Preset Pressure & Auto Shutoff — Set desired PSI; pump stops automatically when reached.
- Dual Valve Compatibility — Works with both Presta and Schrader valves—no adapters needed.
- USB-C Rechargeable — 500mAh battery charges fully in 1.5 hours via USB-C.
- Ultra-Compact Design — Only 90x51x33mm; easily fits in jersey pockets or bike bags.
- 2-3 Inflations per Charge — Fully inflates 700x25C tires from 0 to 80 PSI twice on one charge.
Who is ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 for?
This pump is ideal for road cyclists, commuters, and mountain bikers who prioritize portability and precision. It’s perfect for riders who frequently travel, race, or ride off-grid and need reliable, on-the-go inflation without carrying bulky gear. Casual riders who value digital accuracy over manual effort will also benefit.
How does ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 compare?
Compared to standard hand pumps, the ROCKBROS model offers faster, effortless inflation with digital precision. It’s more compact than most portable electric pumps and supports higher PSI, making it better suited for road bikes. However, it provides fewer inflations per charge than larger battery models. Its USB-C charging and preset functionality outpace basic inflators, but it lacks replaceable batteries, limiting long-term serviceability.
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Best use cases
- →Road bike tire inflation on group rides
- →Quick fixes during mountain biking trips
- →Commuter tire top-ups before work
- →Travel-friendly backup for bike tours
- →Precise pressure setting for racing
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Is ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 right for you?
Buy the ROCKBROS HW-140 if you're a cyclist who values portability and digital precision. Ideal for intermediate to advanced riders who ride road or MTB and need reliable, fast inflation. Not for those needing multiple refills without recharging. Consider a larger-capacity electric pump if you frequently ride in remote areas without access to power.
How it compares: Smaller and lighter than most portable electric pumps, with higher PSI than many. Outperforms hand pumps in speed and accuracy but offers fewer inflations than high-capacity models. Lacks replaceable battery, unlike some premium competitors.
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Frequently Asked Questions
What is the maximum pressure of the ROCKBROS HW-140 pump?
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The ROCKBROS Mini Electric Bike Pump delivers up to 150 PSI, making it suitable for high-pressure road bike tires and standard mountain bike tires. This ensures compatibility with most bicycle types requiring precise inflation.
Does the pump work with both Presta and Schrader valves?
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Yes, the HW-140 supports both Presta and Schrader valves without requiring adapters. The dual-valve design allows quick switching and makes it convenient for use with various bikes and sharing among riders.
How long does the battery last per charge?
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On a full charge, the 500mAh battery can inflate 2-3 road bike tires (700x25C) from 0 to 80 PSI. Actual performance may vary based on starting pressure and tire volume.
Is the battery replaceable in the ROCKBROS HW-140?
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No, the 500mAh lithium battery is built-in and not user-replaceable. This enhances durability and waterproofing but limits long-term serviceability compared to models with swappable batteries.
Can I use this pump for other inflatables like balls or air mattresses?
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While designed for bike tires, the pump can inflate small sports balls or low-volume inflatables. However, it's not optimized for large air chambers and may struggle with sustained output needed for air mattresses.
How much does ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 cost?
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ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 is $66.99 at Yiwu Rock Sports Goods. Prices may change — click through to Yiwu Rock Sports Goods for the latest.
Is ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 in stock at Yiwu Rock Sports Goods?
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Yes, ROCKBROS Mini Electric Portable Bike Tire Pump 150PSI 500mAh HW-140 is currently in stock at Yiwu Rock Sports Goods.
Are there coupon codes for Yiwu Rock Sports Goods?
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Yes — Love Those Deals currently tracks 1 active Yiwu Rock Sports Goods coupon. See the coupons section on this page to copy a code before checkout.
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Specifications
- SKU
- 42720016001
Last updated May 14, 2026