The CYCPLUS AS2 Pro Tiny E-Pump is widely praised for its compact size, digital pressure gauge, and convenience, making it a popular alternative to CO2 cartridges and manual pumps. However, reviewers consistently note its high price, loud operation, heat generation, and limited battery life as drawbacks.
Pros
- Compact and lightweight design, easily fits in a jersey pocket or saddle bag.123
- Digital display with programmable pressure setting and automatic shutoff at desired PSI.456
- Accurate pressure gauge within ±1 PSI, verified by multiple reviewers and lab test.567
- Fast inflation: reaches 80 PSI in under a minute for road tires, saving time and effort.189
- Rechargeable via USB-C, with a full charge in about 30 minutes, and can be charged from a power bank.1810
- Includes useful accessories: flexible hose, Presta/Schrader adapters, ball needle, silicone case, and waterproof pouch.457
- More precise and reusable than CO2 cartridges, and allowed in airline luggage.618
- Can be used for multiple inflations per charge (3-6 depending on tire size), sufficient for most rides.451
Cons
- Expensive, with prices reported between $98 and $120, significantly higher than manual pumps or CO2 setups.4611
- Loud operation, with noise levels around 95 dB, which may be bothersome indoors.417
- Gets hot during use, with temperatures reaching up to 110°F (43°C) on the unit and 180°F (82°C) on TPU valve stems, risking damage to plastic valves.9610
- Battery life is limited, providing only 3-6 inflations per charge, which may not be enough for long trips or multiple punctures.41210
- Not fully waterproof, requiring protection from rain or moisture.21113
- Cannot reseat tubeless tires that have completely unseated; requires a floor pump or compressor for initial seating.118
- Lab testing showed a short lifespan, with the unit failing after 67 test cycles due to a conrod bearing failure.7
Key Facts
- Weight ranges from 117g to 138g depending on source and accessories, with lab measurement at 117g.7412
- Maximum pressure is 120 PSI.618
- Inflation time for a road tire (25-28mm) to 80 PSI is approximately 50-70 seconds, with lab test showing 55 seconds to 70 PSI.7810
- Battery capacity is 420mAh, providing roughly 3-6 full inflations per charge depending on tire size and pressure.14154
- Charging time is approximately 30 minutes via USB-C.1810
- Pressure gauge accuracy is within ±1 PSI compared to a track pump.567
- Noise level measured at 95 dB at 30 cm, which is loud but comparable to other electric pumps.71
- In lab testing, the unit failed after 67 test cycles due to a conrod bearing failure, indicating a limited lifespan.7
Sources
- 1ShiftWithBradCYCPLUS AS2 Pro Mini Pump Review | GAME CHANGER
- 2Dwayne PedalsCycplus AS2 Pro Review | Stop Playing And Get This Pump
- 3BikeRadarTop 10 Electric Mini Pumps Reviewed, Winner Announced
- 4nikinikDo You Need an Electric Bike Pump? CYCPLUS AS2 Pro
- 5Forest VeloCYCPLUS AS2 Pro: Why I'd choose this pump!
- 6Alex Regino - The Ride XperienceCycplus AS2 Pro - The Tiny E-Pump that changed my Mind
- 7Zero Friction CyclingElectric Mini Pump Testing
- 8Gravel CyclistForget Co2 | Cycplus AS2 Pro & AS2 Pro Max Review
- 9Local Alien / CLIFFI try all 3 CYCPLUS Tiny e-Pumps. 2024 New Cycplus Bicycle Tire Mini Electric Air Pumps. AS2 Pro Max
- 10Overbiked RandonneuringCycplus AS2 Pro & Pro Max: In batteries we trust?
- 11David Arthur - Just Ride BikesThe Cycling Product I Wish I'd Bought Sooner
- 12josh ibbettBIKEPACKING ESSENTIAL OR TYRE INFLATION GIMMICK? Cycplus AS2 Pro E Mini pump review
- 13Bikepacking Adventures - Michael Luplow💨 CYCPLUS AS2 Pro vs AS2 Pro Max Test & Vergleich! 🚲👉 kraftvolle Mini-Akku-Luftpumpe fürs Fahrrad
- 14The Sweet CyclistsCYCPLUS AS2 Pro / AS2 Pro Max Electronic Tire Inflation Pumps Review - feat. Aluminum Body + Screen
- 15Cycling Weekly2025's Best Portable Electric Bike Pumps | The Ultimate Grouptest
Reviews & Ratings
20:32The reviewer discusses the CYCPLUS AS2 Pro Tiny E-Pump for Bike as part of a comparison of portable electronic bike pumps. They highlight its compact size, digital display, programmable pressure setting, and included accessories. The reviewer notes that it performed well in inflation tests, reaching 50 psi in 37 seconds, and delivered four inflations from its 420 mAh battery. They mention that the buttons are small and fiddly, especially with gloves, and that the screen and buttons are not on the nozzle side, which could be improved.
07:58The reviewer discusses the CYCPLUS AS2 Pro and Pro Max compact electronic bike inflators, highlighting their upgraded motors, larger batteries, and LED screens for pressure display. They note that the Pro Max is larger with a bigger battery, allowing up to four tire inflations at 120 PSI, while the Pro can handle two. The reviewer praises their portability, ease of use, and the inclusion of adapters and a valve extender, but criticizes their noise, vibration, and the Pro Max's price comparable to premium floor pumps. Overall, they rate the pumps 9.0 out of 10.
10:07The reviewer tests the CYCPLUS AS2 Pro Tiny E-Pump for bikes, highlighting its compact size, rapid inflation capabilities, and additional features compared to the original AS2. They demonstrate its effectiveness on various tire sizes and note its suitability for emergency roadside use.
12:42The reviewer discusses the CYCPLUS AS2 Pro and Pro Max electric mini pumps, focusing on the AS2 Pro. They test its inflation speed, battery life, and charging time, and compare it to hand pumps. The reviewer finds the AS2 Pro performs well, matching most claims, and appreciates its user experience, digital pressure gauge, and portability. They note the price is premium but offer a discount code. Overall, the reviewer considers the AS2 Pro a compelling product, especially for long-distance cyclists, and plans to keep it in their saddle bag.
14:23The reviewer compares the CYCPLUS AS2 Pro and AS2 Pro Max mini bike pumps, noting that the AS2 Pro is smaller and lighter, suitable for carrying on rides, while the larger Max is better for home use. Both pumps inflate a 29-inch mountain bike tire to 2.1 bar in about 70 seconds, but the Max has a larger battery, allowing six inflations versus three for the AS2 Pro.
05:31The reviewer tested the CYCPLUS AS2 Pro Tiny E-Pump for bikes, highlighting its small screen for pressure setting, faster pumping compared to the non-pro version, and its compact size. They found it effective for inflating road bike tires to 80 psi in under a minute, though it gets hot after multiple uses. They recommend using the extension tube for TPU inner tubes to avoid heat damage. The pump can inflate a 28c tire about four times on a single charge.
08:02The reviewer places the CYCPLUS AS2 Pro in third place among the top 10 portable electric mini pumps. It is described as a pocket-size powerhouse, lightweight, and capable of six full inflations with a rapid recharge time. It features an accurate gauge and includes all vital accessories, all at a great price.
10:29The reviewer discusses the CYCPLUS AS2 Pro Tiny E-Pump for Bike, comparing it with other portable pump options. They highlight its compact size, display, and battery life, but express concerns about pressure gauge accuracy and inconsistency when used without the flex hose.
09:03The reviewer was impressed with the CYCPLUS AS2 Pro Tiny E-Pump, finding it compact, convenient, and precise. They highlighted its ability to replace CO2 cartridges and traditional mini pumps, noting its ease of use and control over tire pressure. The pump successfully inflated a TPU tube from 0 to 75 PSI in about 54 seconds and provided multiple inflations per charge. The reviewer concluded that it has earned a place in their saddlebag.
05:46The reviewer highly recommends the CYCPLUS AS2 Pro Tiny E-Pump for bikes, describing it as a game-changer for cyclists. They have used it for over four months and trust it as their primary way to inflate tires, replacing manual pumps and CO2 cartridges. The pump is lightweight, compact, and can fill a road bike tire multiple times on a single charge.
09:32The reviewer tested the CYCPLUS AS2 Pro Tiny E-Pump for six months and was impressed, calling it a game-changer. He highlights its ease of use, speed, and pressure gauge as major advantages over traditional mini pumps. He used it in various scenarios, including a gravel event, and found the battery life sufficient for his needs. He notes some downsides such as lack of waterproofing, inability to inflate tubeless tires from scratch, and the price.
11:05The reviewer discusses the CYCPLUS AS2 Pro Tiny E-Pump for bikes, highlighting its digital gauge as a game-changing feature for accurate tire pressure. They test its performance by inflating a 28mm tire to 75 PSI three times on a single charge, noting its accuracy compared to a track pump. The pump comes with a silicone case, various adapters, and a hose for TPU tubes. The reviewer recommends it for travel and as a replacement for a track pump, despite minor drawbacks like weight and heat.
10:20The reviewer tests the CYCPLUS AS2 Pro mini electric pump for bikes, highlighting its convenience and control compared to CO2 cartridges. He successfully inflates three tires on a single charge and appreciates the digital gauge for precise pressure settings. He notes the pump gets hot but is protected by a silicone case, and he recommends it for travel since CO2 cartridges are not allowed in luggage.
14:24The reviewer initially doubted the CYCPLUS AS2 Pro Tiny E-Pump but found it useful after trying it. He praises its accuracy and convenience for adjusting tire pressures, especially on the trail. He tests it on road, gravel, and mountain bike tires, noting it inflates them in 40-50 seconds. He considers it a good addition for travel and races, though he mentions it may not fully replace a hand pump for long trips due to battery limitations.
08:55The reviewer tests the CYCPLUS AS2 Pro electric mini pump, finding it convenient and faster than manual pumps, with good build quality and useful features like a digital pressure gauge and automatic shutoff. However, he notes it is expensive, loud, and gets hot during use.
The CYCPLUS AS2 Pro Tiny E-Pump ranked 4th out of 18 units tested. It delivered strong performance, reaching 70 PSI in 55 seconds on the first round and maintaining a high performance factor of 10.88 PSI/s/g. However, its lifespan was disappointing, with the unit dying after 67 test cycles due to a conrod bearing failure, and it showed a 5% performance drop by 50 cycles.
AI Summary
Full test data from Zero Friction Cycling
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Sign inTest data: Zero Friction Cycling · Electric Mini Pump Testing · v9 · July 2026

The reviewer discusses the Cycplus AS2 Pro Tiny E-Pump as part of a review focusing on the Cycplus AS2 model. The reviewer mentions owning the AS2 Pro and praises it as brilliant, noting it has earned a spot in their best bike pumps buying guide as the easiest mini pump to use. The AS2 Pro is described as having a built-in LED display for precise pressure readings, which is useful for adhering to strict hookless rim and tyre pressure ratings. The reviewer contrasts it with the entry-level AS2 model, which lacks a pressure gauge.
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CYCPLUS AS2 Pro Tiny E-Pump For Bike
CYCPLUS AS2 PRO Tiny Fahrradpumpe mit Manometer, max 120 PSI Elektrofahrradpumpe, automatische Abschaltung, mit Presta- und Schrader-Ventil für E-Bike, Mountainbike, Citybike und Rennrad(2025 Version)

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