How to Adjust Bowflex SelectTech 552 Dumbbells: Step-by-Step Guide

The short answer: To adjust the Bowflex SelectTech 552, place the dumbbell on the cradle, turn the dial to select the weight, and lift the handle. The dial clicks into place, and the weight plates lock automatically. No tools are needed.

Understanding the Bowflex SelectTech 552 Adjustment Mechanism

The Bowflex SelectTech 552 uses a clever dial-and-locking system. Each dumbbell has a dial on the end of the handle that you rotate to choose a weight from 5 to 52.5 pounds. The number you see on the dial corresponds to the weight you’ll lift. The cradle holds the weight plates, and when you turn the dial, the mechanism selects the plates that match the number, locking them onto the handle. When you lift the handle, the selected plates come with it, while the others stay in the cradle.

This design is convenient but requires proper technique to avoid jams or misalignment. Practice a few times with a light weight to get comfortable with the motion.

Step-by-Step: How to Adjust Your Bowflex 552

Step 1: Place the Dumbbell on a Flat Surface
Always adjust the dumbbell while it’s resting on the cradle or a stable, flat surface. Do not try to adjust it while holding it in the air, as this can cause the plates to shift and lead to injury or damage.

Step 2: Ensure the Weight Plates Are Seated Properly
Check that all plates are aligned and sitting evenly in the cradle. If any plate is cockeyed, the dial may not turn smoothly.

Step 3: Rotate the Dial to Your Desired Weight
Grip the dial with your free hand and turn it clockwise or counterclockwise until the number you want is lined up with the indicator on the handle. You should feel a click when it locks into place. If you don’t feel a click, the plates might not be aligned.

Step 4: Lift the Handle Straight Up
Grasp the handle with both hands (or one hand if you’re adjusting the other dumbbell) and lift it straight up. The selected plates should come with the handle. If any extra plates fall or the handle feels heavy, return it to the cradle and check the dial.

Step 5: Test the Weight Before Your Workout
Before starting your exercise, do a quick bicep curl or shoulder press to ensure the plates are secure and don’t wobble. If something feels off, set the dumbbell down and recheck.

Common Mistakes and Troubleshooting

Even with the simple dial system, users occasionally run into issues. Here are the most common problems and how to fix them:

• Dial won’t turn: This usually means the plates are not aligned. Gently wiggle the plates to seat them, then try turning the dial again.
• Plates falling off during lifts: If you accidentally select a weight that doesn’t match the plates locked, or if you lift at an angle, plates can shift. Always lift straight up and avoid twisting the handle.
• No clicking sound: The clicking sound indicates the lock is engaged. If you don’t hear it, the dial may be between numbers. Turn it until it clicks.
• Difficulty lifting the handle: If it feels too heavy, you might have selected a higher weight than you intended. Return it to the cradle and recheck the dial.

If you experience persistent issues, consult the user manual or contact Bowflex customer support. Avoid forcing the dial, as that can damage the internal mechanism.

Safety Tips for Using and Adjusting Your Dumbbells

Adjusting your dumbbells correctly is only one part of safe use. Keep these tips in mind:

• Always use the cradle: The cradle not only holds the plates but also protects the dial from impact. Never drop the dumbbells, as this can crack the plastic and misalign the plates.
• Keep the dials clean: Dust and sweat can build up, making the dial sticky. Wipe the dumbbells after each use with a damp cloth.
• Store them properly: When not in use, keep the dumbbells in the cradle and lock them at a low weight (like 5 or 10 pounds) to reduce stress on the springs.
• Check for wear: Over time, the locking mechanism may loosen. Periodically inspect the dials and plates for cracks or excessive movement.

If you’re thinking about upgrading or want to compare other models, check out our best dumbbells guide for recommendations that fit your needs.

Space and Fit Considerations for the SelectTech 552

Before buying the SelectTech 552, consider the space it requires. Each dumbbell measures approximately 17 inches long and 8 inches wide, and the cradle adds a few inches. You’ll need a clear area of at least 2 feet by 2 feet per dumbbell to adjust them comfortably. The set weighs about 105 pounds in total, so ensure your floor or rack can support that weight. The cradles have a low profile, but they still take up floor space. If you have a small home gym, measure your available area to ensure the dumbbells won’t be cramped. Also, the handle diameter is about 1.5 inches, which is larger than many traditional dumbbells. If you have small hands, you might find the grip less secure. Consider trying them in person if possible, or look for a model with a thinner handle.

Maintenance and Longevity Tips

To keep your SelectTech 552 functioning smoothly for years, follow a simple maintenance routine. After each workout, wipe the dumbbells with a dry or slightly damp cloth to remove sweat and grime. Pay attention to the dial and the plate edges, where dust can accumulate. Every few weeks, inspect the locking mechanism for wear. Check that the plates slide in and out of the cradle without excessive resistance. If you notice the dial becoming stiff, a small amount of silicone spray on the dial mechanism can help, but avoid oil-based lubricants as they attract dust. Store the dumbbells in their cradle when not in use, and avoid leaving them in extreme temperatures, which can affect the plastic components. If you have a home gym in a garage, consider covering the dumbbells to protect them from dust and moisture. With proper care, the SelectTech 552 can last for many years, but be aware that the plastic parts may show wear over time, especially if dropped.

When Not to Buy the SelectTech 552

The SelectTech 552 is a versatile adjustable dumbbell, but it’s not for everyone. If you need weights heavier than 52.5 pounds per dumbbell, this set won’t suffice. Serious powerlifters or those who perform heavy compound lifts like heavy bench presses or rows may quickly outgrow the 52.5-pound limit. Also, if you prefer the feel of traditional fixed dumbbells, the SelectTech’s bulkier handle and plate design might feel awkward. The dumbbells are longer than standard ones, which can interfere with certain exercises like close-grip presses or curls. Additionally, if you often drop your weights after a set, these are not designed for that. The plastic components can crack, and the mechanism can break. For those who need a rugged, drop-proof option, rubber hex dumbbells are a better choice. Finally, if you’re on a tight budget, the SelectTech 552 is a mid-range to premium investment. While it replaces many pairs of dumbbells, the upfront cost is higher than a single pair of fixed weights. Consider your long-term needs and workout style before purchasing.

Frequently Asked Questions

Can I adjust the weight while holding the dumbbell?

No, it’s not recommended. The plates are only securely locked when the dumbbell is resting on a flat surface. Attempting to adjust it in your hand can cause plates to drop and injure you or damage the dumbbell.

What should I do if the dial is stuck?

First, ensure all plates are seated properly. If they are, try turning the dial gently back and forth to loosen it. If it’s still stuck, inspect for debris or damage. If nothing works, contact Bowflex support.

How often should I lubricate the dial?

Bowflex doesn’t require regular lubrication, but if the dial feels stiff, you can apply a small amount of silicone spray to the dial mechanism. Avoid oil-based lubricants as they can attract dust.

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