Truflo Combishock Pump - QA4502
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Product Information
Full details
The Truflo Combishock Pump (QA4502) is designed for cyclists who need to accurately inflate and tune their air suspension systems and also inflate tires. Its key benefit is the dual-functionality and precise micro-adjust button for fine-tuning pressure. A potential caveat is that users need to remember to switch between high volume and high pressure modes.
All features
| Model Part Number | QA4502 |
|---|---|
| Brand | Truflo |
Extended Product Information
FAQs
What is the maximum pressure this pump can reach?
The Truflo Combishock Pump can reach up to 100 PSI for general tire inflation and up to 300 PSI for air suspension.
Does this pump come with adapters?
Yes, it includes a Presta valve adapter and a frame mounting bracket.
How do I switch between high volume and high pressure modes?
You can switch between modes by twisting the handle. High volume is typically for faster tire inflation, while high pressure is for precise suspension tuning.
Is this pump suitable for tubeless tire setup?
While it can inflate tubeless tires, its high volume mode might be less effective for seating tubeless beads compared to a dedicated floor pump or compressor. It's primarily designed for maintenance and suspension tuning.
How accurate is the micro-adjust button?
The micro-adjust button allows for very fine adjustments, typically in 1-2 PSI increments, which is crucial for optimizing air suspension performance.
What type of valves does the pump head fit?
The pump head is designed to fit Schrader valves. A Presta adapter is included to allow it to fit Presta valves as well.
Can I use this pump for my car tires?
Yes, as long as your car tires use Schrader valves, this pump can be used for basic inflation. However, for frequent or high-volume car tire inflation, a dedicated car pump might be more efficient.
Troubleshooting
Pump won't inflate
Ensure the pump head is securely attached to the valve. Check that the handle is twisted to the correct mode (high volume or high pressure). Verify the pump is not in a locked position.
Pressure gauge is inaccurate
Allow the gauge to zero out after each pump stroke. Ensure the pump head is fully seated on the valve. For precise suspension tuning, rely on the micro-adjust feature after reaching approximate pressure.
Air is leaking from the pump head
Check the seal between the pump head and the valve. Ensure the valve core is properly seated. Inspect the pump head O-rings for damage and replace if necessary.
Difficult to switch between modes
Gently twist the handle. If stiff, apply a small amount of silicone lubricant to the mechanism. Ensure no debris is obstructing the mode-switching part.
Pros and Cons
Pros
- Versatile dual-functionality for both tires and suspension.
- Highly accurate pressure adjustment with micro-adjust button.
- Durable aluminum construction for long-term use.
- Includes essential accessories like a Presta adapter and mount.
- High maximum pressure suitable for demanding applications.
Cons
- Requires user to manually switch between high volume and high pressure modes.
- May be bulkier than dedicated tire pumps or suspension pumps.
- The twist handle mechanism for mode switching could potentially wear over time.
Setup, Compatibility & Care
Setup:
- Ensure the pump is switched to the desired mode (high volume or high pressure) by twisting the handle.
- Attach the flexible hose securely to the pump body.
- For tire inflation, attach the pump head to a Schrader valve. If using a Presta valve, first attach the included Presta adapter to the pump head.
- For suspension inflation, ensure the pump head is firmly seated on the suspension shock's Schrader valve.
- Mount the pump to your bike frame using the provided bracket and fasteners if desired.
Compatibility:
- Valves: Compatible with all Schrader valves. An adapter is included for Presta valves.
- Applications: Suitable for inflating bicycle tires, road bike tires, mountain bike tires, and air suspension systems (forks and rear shocks).
Care:
- Cleaning: Wipe the aluminum barrel and handle with a clean, damp cloth. Avoid abrasive cleaners.
- Storage: Store in a dry place. If frame-mounted, protect from excessive dirt and moisture.
- Maintenance: Periodically check the O-rings on the pump head and hose connections for wear. Lubricate the pump plunger lightly with silicone grease if the action becomes stiff.