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Germany

Dr. Wack

Application methods, published as instructions

The instructions Dr. Wack prints and rivals omit

Instructions.

Its chain spray publishes: shake well, spray on the inside of a clean chain, and allow at least one hour — ideally overnight — to flash off.

Both halves of that are the things most riders get wrong. Centrifugal force carries lubricant outward as the chain turns, so lubricant applied to the inner run travels through the rollers; applied outside, it goes onto the wheel on the first corner. And a chain spray is a lubricant in a solvent carrier — the solvent has to evaporate before the lubricant sets, which is why chain lubrication is an evening job.

Its cleaner publishes a dwell time of 5 to a maximum of 30 minutes, and the maximum is the half that prevents damage: a cleaner left until it dries concentrates as the water leaves, and that is when it etches.

And the finishes it names

Powder coating, carbon and matt paint — precisely the three a strong degreaser damages, and matt paint is the one with no way back, because there is no clear coat to polish.

The 4× claim with no baseline behind it

“4× better wear and corrosion protection.” Better than what is not stated. It is the only number in that listing and the least useful thing in it.

The whole of the Dr. Wack range covered here, a page apiece

  • Dr. Wack S100 Total Reiniger Plus two-litre bottle

    Dr. Wack S100 Total Reiniger Plus, 2 L

    A two-litre acid-free gel motorcycle cleaner that clings to vertical surfaces, published as safe on powder coating, carbon and matt paint, with a dwell time of 5 to 30 minutes.

    Volume
    2 litres (from the title)
    Formula
    Gel, stated to cling to vertical surfaces for high yield (maker’s bullet)
    Chemistry
    Acid-free (maker’s bullet)
    Surface safety
    Stated 100% gentle on powder coating, carbon and matt paint (maker’s bullet)
    Dwell time
    5 to a maximum of 30 minutes, then rinse with water (maker’s bullet)
    Removes
    Insect residue, grease and oil soiling (maker’s bullet)
    Amazon reference
    B003BVTRYK (one reference across 6 Amazon marketplaces)
    EAN
    0642310381464
    • Publishes a dwell time with a MAXIMUM, which is the instruction that prevents damage
    • Names the three finishes that a cleaner usually ruins — powder coat, carbon, matt paint
    • Two litres is a large bottle to store

    Best for: A machine with matt paint or carbon that a general degreaser would ruin.

    ≈ €25
    Check price on Amazon
  • Dr. Wack S100 white chain spray 100 ml

    Dr. Wack S100 White Chain Spray 2.0

    A 100 ml white chain spray using special polymers and PTFE, tested on O-, X- and Z-ring chains, with a published application method requiring at least an hour of flash-off.

    Volume
    100 ml (from the title)
    Additives
    Special polymers to minimise metal friction, plus PTFE (maker’s bullet)
    Ring compatibility
    O-, X- and Z-ring TESTED (maker’s bullet)
    Wash resistance
    Stated high resistance to washing off, for rain (maker’s bullet)
    Application
    Shake well, spray on the INSIDE of a clean chain, allow at least 1 hour — ideally overnight — to flash off (maker’s bullet)
    Claimed improvement
    4× better wear and corrosion protection — the maker does not state against what (maker’s bullet)
    Amazon reference
    B01LZEH1V3 (one reference across 5 Amazon marketplaces)
    EAN
    4006539023516
    • Publishes a full application method, including where to spray and how long to wait
    • Says "tested" on ring chains rather than "suitable"
    • The 4× claim has no stated baseline

    Best for: Someone who will lubricate the chain the night before a ride rather than five minutes before.

    ≈ €10
    Check price on Amazon

Nothing written into the text below is a current price. Where an amount appears in a sentence, it is the reading taken on the day that sentence was written; what a shop is asking at this moment loads beside the product itself, and that is the figure to go by.