Quick Summary
The RHEOLITH 3101B is a manual mini bike pump with a dual-action design, a built-in gauge marked up to 160 PSI, and a flexible hose that rotates 360 degrees. It supports Presta and Schrader valves. The folding handle and included frame-mount bracket are useful details to consider when checking where the pump will fit on your bike.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Model and type | RHEOLITH 3101B mini bicycle pump. |
| Valve support | Presta and Schrader support; confirm that the pump head suits your valve. |
| Gauge | Built-in gauge marked up to 160 PSI. The gauge scale alone does not establish the pump’s maximum operating pressure or the correct pressure for a tire. |
| Hose | 33 cm flexible hose with 360-degree rotation. |
| Dimensions and weight | Listed at 27.5 cm folded and 47 cm extended, with a listed weight of 160 g. |
| Materials and color | Aluminum alloy and engineering plastic; black. |
| Listed contents | One pump, a frame-mount bracket, and a sports ball needle. |
| Warranty | A 1-year warranty is listed; check its terms and coverage. |
What to Compare Before Buying
- Valve fit: Check whether your tire uses Presta or Schrader and confirm the pump supports that valve.
- Pressure requirements: Compare your tire’s recommended pressure with the pump’s operating specifications. Do not treat the gauge’s full scale as a target or as confirmation of the pump’s maximum operating pressure.
- Mounting space: Check whether the bracket can be positioned on your frame alongside your bottle cage and other equipment.
- Carrying size: Compare the listed 27.5 cm folded length and 160 g weight with the space and carrying weight you have in mind.
Prepare a Ride Kit
Before a ride, check your bike’s valve type and choose a frame-mount location where the pump will remain accessible. A pump can add air to a tire, but it does not repair a puncture, so consider what repair supplies you normally carry as well. If you plan to use the sports ball needle, check that it suits the item you want to inflate.
Before You Decide
Confirm valve support, compare your tire’s pressure requirements with the pump’s specifications, and check the folded length and bracket placement against your frame. If the sports ball needle matters to you, verify that it suits your intended use.










Reviews
There are no reviews yet.