Rock Shox 00.4315.023.010 High-Pressure Fork Pump, Black, 300 psi

Product Information

With such a high maximum pressure, we found it surprisingly good at lower pressures too; although double the numbers in the same gauge space does inevitably mean a loss of accuracy. So be warned that the gauge is tough to read at lower pressures. There will always be some variability in how the gauge is read from person to person,” Kappius Components’ president Brady Kappius tells us. “And for this, a digital gauge increases the precision.” I genuinely enjoy reviewing and comparing products and helping people orient themselves in cycling. Road cycling is closest to me, but I also have a good grasp of other disciplines, such as mountain and gravel biking or commuting. Built as the smaller and travel-friendly sibling to Birzman’s Zacoo Salut, the Macht shares similar features. While it may not be a significant factor for all bikers, consider hose length. The longer the hose, the easier it is to use. Type of Gauge & the Maximum Pressure

RockShox High-Pressure Fork/Shock Pump - 300 psi Max

To counter such issues, Poertner suggests that whatever you choose to buy, you should treat it as a reference. For more aggressive riders, I recommend one or two tokens at 160mm”, explains Cancellier. “For each 10mm decrease in travel, I add one token. For example, 150mm would be two or three tokens, 140mm three or four tokens etc.” Also, some riders prefer a slightly faster fork while others a slower one. Whichever you prefer, you should aim to have the fork returning in a controlled manner that isn’t so fast as to return violently, or excessively slow.”RCT3 models offer low-speed compression adjustment, but only in the open setting 3. Low speed compression While researching, I could not find many technical specifications for this pump. However, technical details are often unnecessary when the pump functions well, which is the case with this one.

High Pressure Fork/Shock Pump - 600 psi | TL-PUMP-HP6-A1 High Pressure Fork/Shock Pump - 600 psi | TL-PUMP-HP6-A1

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RockShox High-Pressure Fork/Shock Pump - 300 psi Max Extra Info

I analogise it to throwing darts: accuracy is how close you are to the bullseye, so for a gauge, how close is 100psi to 100psi? However, always remember that it’s the sag that you’re setting your suspension to, and the gauge is merely a tool to help aid this – either way, the desired outcome can still be achieved without a gauge. 5. Durability is a factor The pump itself is solid, with a bleed valve, extra-long hose and comfy handle, though it has quite a small volume so 100 strokes equates to about 81psi. When installing the tokens, ensure you thread them securely into the top-cap and the adjacent token. Were they to come loose, they could jam inside the fork. But Poertner pointed out that there are numerous moving parts that must also be very carefully constructed to produce precision – and that fixing these issues requires design and manufacturing processes with nonlinear cost/benefit relationships.

pumps: get your suspension dialled Best mountain bike shock pumps: get your suspension dialled

At 284g and 250mm long, it’s an impressive combination of two pumps, especially given so many mini tyre pumps do without a gauge. The build quality is similar to that of generic pumps supplied with suspension products. It’s perhaps not at a level you’d expect for the price, but the metal pump body is likely to outlast the gauge’s service life as oil, vibration and general age can all degrade accuracy. To learn more about the issues with gauge accuracy and precision, we consulted Josh Poertner, the CEO of pump manufacturer Silca.

3. Accuracy and low cost – pick one

A special zero-loss head is easily used, and the countersunk bleed valve is there to avoid accidental use.