Topeak Pocket Rocket DX 2 Pump - TPMB-DX2
Best current price£20.99from Merlin Cycles
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Product Information
Full details
The Topeak Pocket Rocket DX 2 is an essential tool for road cyclists who prioritize a balance between performance, weight, and portability. Its compact butted aluminum design makes it an excellent choice for long-distance rides, offering high-pressure inflation capability in a lightweight 116g package. While it excels at inflating road tires efficiently, users should note that as a mini-pump, reaching high pressures requires significantly more manual effort compared to floor pumps.
All features
| Model Part Number | TPMB-DX2 |
|---|---|
| Brand | Topeak |
Extended Product Information
FAQs
What is the maximum pressure this pump can handle?
The Topeak Pocket Rocket DX 2 is rated for up to 160 psi.
Can I use this on a mountain bike?
Yes, it is compatible with both Presta and Schrader valves, though it is optimized for high-pressure, low-volume road tires rather than high-volume mountain bike tires.
Does this pump include a mounting bracket?
Yes, it typically includes a frame-mount bracket that fits alongside your bottle cage.
How do I switch between Presta and Schrader valves?
Unscrew the cap on the pump head, remove the rubber gasket, flip it, and reinsert it so the correct valve size side is facing outward.
Is the pump body made of plastic or metal?
The main body is constructed from durable, high-quality butted aluminum.
Troubleshooting
Air is leaking around the valve head during inflation.
Ensure the thumb-lock lever is fully engaged and that the rubber gasket inside the head is correctly oriented for the valve type.
Pump feels hard to stroke or sticky.
The internal seal may have dried out; apply a small amount of silicone-based grease to the shaft and pump it several times to redistribute.
Cannot reach desired high pressure.
Ensure the connection is completely air-tight and confirm the valve core on your tube is fully open (if using Presta).
Pros and Cons
Pros
- Lightweight at only 116g
- Stylish and durable aluminum construction
- Ergonomic handle improves leverage
- Secure aluminum thumb-lock mechanism
- Compact size easily fits in jersey pockets
Cons
- Requires manual effort for high PSI
- Mini-pump form factor is slower than CO2 inflators
- Lacks an integrated pressure gauge
Setup, Compatibility & Care
To setup the pump for your specific valve type, unscrew the head cap and flip the internal rubber gasket to match either Presta or Schrader valves. When attaching to the valve stem, ensure the thumb-lock lever is in the 'down' or 'open' position before sliding it over the valve, then flip the lever 'up' or 'closed' to lock it. To maintain the pump, keep the internal seals clean by periodically wiping down the inner shaft and applying a drop of bicycle-safe lubricant to the plunger seal if inflation starts to feel gritty. Always store in a dry place to prevent corrosion of the aluminum finish.