Quick Summary
The Calmara MY20 is a rechargeable mini electric bike pump with a digital pressure display, target-pressure auto-stop and support for Presta and Schrader valves. Its stated maximum pressure is 130 PSI, and it measures 3.07 x 2.36 x 1.46 inches.
The pump is specified to inflate a 700 x 23C tire from 0 to 80 PSI in under one minute. The listing also specifies 2 to 3 inflations of a 700C25 tire from 0 to 130 PSI per charge.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Maximum pressure | 130 PSI. Compare this limit with the pressure recommended for your tire. |
| Valve compatibility | Supports Presta and Schrader valves. The package lists a Presta adapter and an air-valve hose. |
| Pressure display and control | Digital pressure gauge with stated accuracy of ±1 PSI; auto-stop when the set target pressure is reached. |
| Battery and charging | 2000 mAh rechargeable battery and a stated 55-minute charge time. A Type-C charging cable is listed in the package. |
| Dimensions | 3.07 x 2.36 x 1.46 inches. Compare these measurements with your preferred storage space. |
| Inflation claims | Specified to inflate a 700 x 23C tire from 0 to 80 PSI in under one minute, and 2 to 3 700C25 tires from 0 to 130 PSI per charge. |
| Color and warranty | Black; listed with a 1-year manufacturer warranty. |
Compatibility, Size and Fit
Check that your tire uses a supported Presta or Schrader valve and that its recommended pressure does not exceed the pump’s 130 PSI maximum. Compatibility with these valve types does not establish fit with other types.
What Is Included
The listed package contains one MY20 mini electric pump, one American air-valve hose, one Presta valve adapter, one Type-C charging cable, one silicone heat sleeve, one drawstring bag, one waterproof bag, one wrist lanyard and one manual.
What to Compare Before Buying
- Pressure range: Check the tire’s recommended pressure against the pump’s 130 PSI maximum.
- Valve type: Confirm whether your tires use Presta or Schrader valves and whether the included adapter suits your setup.
- Battery claims: The listed charge time is 55 minutes, and the stated inflation count applies to 700C25 tires inflated from 0 to 130 PSI. Consider whether those specifications match your needs.
- Storage: Compare the pump’s dimensions with the space available in your bag or bike storage.
Plan a Pre-Ride Pressure Check
Before a ride, check the pressure recommended for your tire and identify its valve type. Set the intended target on the display before inflation so the auto-stop can stop the pump when that target is reached. Keep the manual available for product-specific operating instructions.
Before You Decide
Confirm your tire’s valve type and recommended pressure, compare that pressure with the 130 PSI maximum, and consider whether the pump’s dimensions and stated battery capacity suit your needs.
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