Tools to Adjust the Suspension on a Mountain Bike

Tools to Adjust the Suspension on a Mountain Bike
Photo Credit Oli Scarff/Getty Images News/Getty Images

Top-rated mountain bikes feature an adjustable suspension that allows you to tailor your bike to a specific riding terrain. While certain mountain bikes feature a hardtail design, others are equipped with both a rear and front suspension. The hardtail lacks a rear suspension and is ideal for single-track or technical trails. You can utilize a few simple tools to tweak the setting of your MTB suspension.

Shock Pump

As most high-end mountain bikes feature an air suspension, you will need to use a specialized tool known as the shock pump. As opposed to conventional bicycle pumps, the shock pump emits a low-volume yet highly pressurized burst of air. According to "Bicycling" magazine, the best shock pumps feature a compact design made from a lightweight metallic alloy. Most shock pumps have an easy-to-read display that allows you to track the amount of pressure in your MTB shocks.

Allen Wrenches

When adjusting the suspension of your mountain bike, you will need a few different size Allen wrenches. NSMB recommends using a set of Allen wrenches with a 3-mm and 2.5-mm hex key. Use the 3-mm Allen wrench to adjust the bottom out chamber located at the base of your rear shock. Use the 2.5-mm Allen wrench to adjust the high- and low-speed compression knobs found on the top of your rear shock.

Tape Measure

You'll need to use a tape measure when adjusting the sag of your mountain bike. The sag refers to how much the shocks of your MTB suspension compress as you sit on the bike. Sit on your bike with your feet on the pedals to balance in a stationary position. Allow a friend or fellow rider to measure the distance between the individual coils of the shock. Measure the coils after you get off the bike to gauge the amount of compression.

Adjustable Wrench

While certain MTB riders prefer a set of fixed wrenches, an adjustable wrench can adapt to the variety of bolts and components on the mountain bike. Use an adjustable wrench to change the amount of sag. Web Mountain Bike recommends rotating the screw knob at the top of the fork to adjust the spring tension of your front suspension. Align the jaws of the wrench around the screw knob. Rotate the knob clockwise to increase tension and reduce the amount of sag.

References

Article reviewed by Jay Lawrence Last updated on: Jun 14, 2011

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