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Dumonde Tech Original Bicycle Chain Lube is more concentrated than the Lite and excels in the most challenging conditions. We use it on our mountain bikes and for the road bike when the road and weather conditions promise to be poor. Not to worry if you normally use one or the other, the two Dumonde Tech Lube formulas are compatible and may be used interchangeably.

As you ride, Dumonde Tech forms a low-friction plastic plating which bonds to the chain and drivetrain components. This allows them to last longer and run quieter than what you'd get from any other lubricant. It comes in two concentrations. This Dumonde Tech Original is more viscous than the Lite, even though they have the same formulation. A coating of the thicker Original is more durable than the Lite, so it generally requires less frequent applications.

To get the best results from Dumonde Tech Lubes, first degrease your chain and dry it thoroughly prior to the first application. This effectively primes the surface for the "plating" effect that makes the lube so successful. For the first application, we recommend putting one drop on each link to really aid the plating effect, wiping the excess from the chain after it has had time to work itself into the pins. When your chain begins to get noisy, it's time to reapply. Use soap and water to clean the chain prior to re-application -- strong solvents and degreasers will remove the protective plastic plating from the chain, putting you back at square one.

This Dumonde Tech Original Bicycle Chain Lube comes in a 2oz bottle that should last for 20 or so applications.

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Here's what others have to say...

5 5

Great all-weather lube

  • Familiarity: I've put it through the wringer

I was turned on to Dumonde Tech products by one of the head mechanics at a shop I was wrenching at a few years back. My go to is the Dumonde Tech Lite lube, but the Original Lube has a slightly higher viscosity which keeps the chain lubed in less than ideal weather. If you are living somewhere where it never rains, the lite is the way to go. Otherwise, the original works great.

4 5

Chain lube

  • Familiarity: I've used it once or twice and have initial impressions

It seems thicker than most lube. I have not used it for long enough to really say yet. Only a couple of weeks. It seems to last longer than most lube and keeps the chain very quiet. But it did seem to attract more dirt than tri-flow.

Responded on

Make sure you don't over apply. Follow direction for the best results.

Repeat, follow the directions.

The only reason your attracting dirt is lube on the exterior of the chain. Wipe wipe wipe with a rag. then listen for a bit of noise before you re-apply. You will be super surprised how long it lasts.

5 5

Favorite lube, thick but not too sticky

  • Gender: Male
  • Familiarity: I've put it through the wringer

Great stuff, lasts forever, stays quiet, doesn't attract too much dirt(compared to others), and even smells good!

I keep getting other lubes as race schwag and keep on buying Dumonde.

Love it.