Adjustable dumbbell won't lock at a weight setting

Symptoms

• Dial or pin won't turn or seat fully
• Selected plates don't lift with the handle
• Handle feels loose even at a locked setting
• Selector mechanism feels gritty or stiff

Likely causes

• CommonSelector mechanism misaligned with plate slotsIf the dumbbell isn't set down perfectly level in the tray, the selector pins can miss their slots.
• CommonDirt or dust in the selector mechanismChalk dust and debris can build up in the dial or pin mechanism and prevent full engagement.
• PossibleWeight plates not seated correctly in the storage trayIf a plate sits crooked in the tray, the selector can't lock onto it properly.
• Less commonWorn or bent selector pinsRepeated heavy use or a drop can bend the small pins that engage the plates.

What to do

1. Set the dumbbell handle down flat and level in its storage tray or cradle before adjusting the weight.
2. Turn the dial or move the selector fully to the desired weight, listening or feeling for it seat with a click.
3. Lift the handle straight up slowly and check whether all the correct plates are engaging before lifting fully off the tray.
4. If it doesn't lock, set it back down, wiggle it to ensure it's level, and try the selector again.
5. Wipe down the selector mechanism and dial area with a dry cloth to remove chalk or dust buildup.
6. Check that each plate sits flush and straight in its tray slot, adjusting any that look crooked.
7. If it still won't lock consistently, inspect the selector pins for visible bending and contact the manufacturer if found.

Tools and parts

• Dry cloth

When to call a pro

Contact the manufacturer for a replacement selector mechanism if pins are bent or it consistently won't lock after cleaning.

Safety