How to Fix a Loose Skateboard Truck: A Step-by-Step Guide

Quick Answer

To fix a loose skateboard truck, use a skate tool or wrench to tighten the kingpin nut on the affected truck. Turn it clockwise in small increments, checking the tightness after each quarter turn until you reach your desired feel. If the truck still feels loose after tightening, you may need to replace the bushings.

Loose skateboard trucks can make your ride feel wobbly and unstable, affecting your control and safety. Whether you're a beginner or a seasoned skater, knowing how to tighten and maintain your trucks is essential for a smooth and predictable ride. This guide will walk you through the process of fixing loose trucks, from identifying the problem to fine-tuning the tightness to your preference.

Regular skateboard maintenance not only improves performance but also extends the life of your board. By learning to adjust your trucks correctly, you'll avoid common issues like wheel bite or uneven wear, keeping your skateboard in top condition for years to come.

Understanding Skateboard Trucks and Why They Get Loose

Skateboard trucks are the metal T-shaped components that attach the wheels to the deck. They consist of an axle, a hanger, a baseplate, and a kingpin. The kingpin holds the bushings, which are the soft polyurethane pieces that allow the truck to turn. Over time, the kingpin nut can loosen due to riding vibrations, causing the truck to feel wobbly.

Loose trucks can also result from worn or compressed bushings. Bushings are the key to your truck's responsiveness; they come in different hardness levels to suit various riding styles. If your bushings are cracked, flattened, or simply too soft for your weight, you may need to replace them to achieve the right feel.

• Check your trucks regularly for any visible gaps between the baseplate and bushings.
• Listen for rattling sounds while riding, which often indicate loose parts.

Tools You'll Need

To tighten your skateboard trucks, you'll need a skate tool or a 3/8-inch wrench. A skate tool is the most convenient option as it has a socket that fits the kingpin nut perfectly. You might also want a flathead screwdriver to hold the baseplate in place if the truck rotates while you tighten.

If you plan to replace bushings, you'll need new bushings that match your weight and riding style. Softer bushings (78A-85A) offer more turn and are great for cruising, while harder bushings (90A-101A) provide stability for tricks and high-speed riding.

• Keep a skate tool in your backpack for quick adjustments on the go.
• Invest in quality bushings from a reputable brand to ensure durability.

Step-by-Step: How to Tighten Loose Skateboard Trucks

Follow these steps to tighten your trucks effectively. Remember to make adjustments in small increments and test the feel after each change.

Start by placing your skateboard on a flat surface. Use the skate tool to turn the kingpin nut clockwise. If the nut is very loose, you may be able to turn it by hand initially. Tighten it until you feel resistance, then give it an extra quarter turn. Test the truck by pushing down on the side of the board. If it still feels too loose, continue tightening in quarter-turn increments.

Keep in mind that the front and rear trucks may require different tightness. Some skaters prefer a looser front truck for easier turning and a tighter rear truck for stability. Adjust each truck independently to find your ideal setup.

• Check that the kingpin nut is not so tight that the bushings bulge out excessively.
• After riding for a while, re-check the tightness as it may loosen again.

When to Replace Your Bushings

If you've tightened the kingpin nut to the point where the threads are almost fully engaged and the truck still feels loose, or if the bushings are visibly cracked or misshapen, it's time to replace them. Worn bushings not only affect performance but can also lead to unsafe riding conditions.

To replace bushings, remove the kingpin nut and slide off the hanger. Take out the old bushings and washers, then install the new ones in the correct order: bottom washer, bottom bushing, top bushing, top washer, and nut. Tighten the nut to your desired tightness, but avoid over-tightening as it can cause the bushings to deform permanently.

• Choose bushings based on your weight: heavier riders often need harder bushings.
• Consider using a bushing hardener for extra durability if you ride frequently.

Maintenance Tips to Prevent Loose Trucks

Regular maintenance can prevent trucks from loosening prematurely. After each session, wipe down your trucks to remove dirt and grime that can affect the kingpin nut. Use a thread locker like Loctite on the kingpin nut threads to help keep it in place, but apply it sparingly to avoid making future adjustments difficult.

Periodically check all hardware, including the bolts that attach the trucks to the deck. Loose baseplate bolts can cause the truck to shift, mimicking a loose truck feel. Tighten them with a Phillips screwdriver if needed.

• Create a maintenance routine: check your trucks at least once a month.
• Store your skateboard in a dry place to prevent rust on the hardware.

Step-by-Step Checklist

1. Gather your tools: Get a skate tool or 3/8-inch wrench. Optionally, have a screwdriver on hand. Having the right tools makes the job easier and prevents stripping the nut.
2. Tighten the kingpin nut: Turn the kingpin nut clockwise in small increments (quarter turns) until you feel resistance. Avoid over-tightening; the bushings should not bulge excessively.
3. Test the tightness: Push down on the side of the board to check the turn. Adjust each truck to your preference. The board should feel stable but still allow smooth turns.
4. Replace bushings if needed: If the truck still feels loose after tightening, replace the bushings with ones suited to your weight and style. New bushings can dramatically improve the feel of your ride.
5. Maintain regularly: Check your trucks monthly, clean them, and apply thread locker to the kingpin nut to prevent loosening. Regular maintenance extends the life of your trucks and enhances safety.

Related Products from BinkyBro

• Frothing: The Frothing hat has a new "BinkyBro - Legends Are Born Everyday - EST 2015" retro logo on the front. All panels are made from a 100% cotton soft-white fabric. The back snap is a matching color. This is a mid-fit and semi-structured hat. While not directly related to skateboard maintenance, wearing a comfortable and stylish hat like the Frothing can complete your skateboarding outfit, keeping you cool and protected from the sun during your sessions.



• Chaser: The Chaser snapback hat has all pink cord paneling with a logo on front and a white rope across the bill. This hat is 100% cotton. This hat comes in an infant, toddler, youth, junior, and adult size. A well-fitted hat is essential for outdoor activities like skateboarding. The Chaser snapback offers a snug fit and breathable cotton material, ensuring comfort while you ride.

Fixing a loose skateboard truck is a simple task that any skater can handle with the right tools and a bit of know-how. By following these steps and incorporating regular maintenance into your routine, you'll enjoy a safer, more responsive ride. Remember to check your trucks often and replace worn bushings to keep your board in top shape.