A close-up of the Grunge Brush Replacement Brush Set by Grunge Brush, a red and black tool with stiff bristles, designed for cleaning pipes, tubing, or motorcycle chains. The open end reveals the internal bristles.
Grunge Brush Replacement Brush Set
A close-up of the Grunge Brush Replacement Brush Set by Grunge Brush, a red and black tool with stiff bristles, designed for cleaning pipes, tubing, or motorcycle chains. The open end reveals the internal bristles.
Grunge Brush Replacement Brush Set
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Grunge Brush Replacement Brush Set

$6.50 USD
Normally ships in 2-3 business days

Inventory:

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SKU: RBB400

Pickup available at Elm Rd. Warehouse

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In stock and ready for shipping

SKU: RBB400

Bristles wear flat and soak up grime over time, and a worn brush just pushes dirt around. Grunge Brush Replacement Brush Set (part RBB400) is the replacement bristle block set for the Grunge Brush (per Grunge Brush). Swap in fresh bristles and keep using the brush you already own.

Shop more in our motorcycle cleaning collection.

Why Choose the Replacement Set

Key Features

  • Replacement bristle blocks for the Grunge Brush (per Grunge Brush)
  • Restores the three-sided cleaning action (per Grunge Brush)
  • Costs less than a whole new brush

When to Replace

  • Bristles are bent, flattened or splayed
  • Bristles stay caked with grime after rinsing
  • The brush no longer reaches all sides of the chain

Specifications

  • Brand: Grunge Brush
  • Part number: RBB400
  • Product: Replacement bristle block set
  • Use: Replacement brushes for the Grunge Brush
  • Shipping weight: About 0.16 lb

Fitment

Fits the Grunge Brush (per Grunge Brush). Contact us if you aren’t sure which Grunge Brush you have.

Which Grunge Brush Is Right for You?

  • The Grunge Brush (RGB800): The standard chain brush. The lowest-cost way to clean your chain from three angles. View the RGB800
  • Aluminum Grunge Brush (AGB888): The same three-angle cleaning with an aluminum body, for riders who want a sturdier brush. View the AGB888
  • Replacement Brush Set (RBB400): Fresh bristle blocks when the bristles on your brush wear out. View the RBB400

How to Replace the Brushes

  1. Rinse and dry the brush body.
  2. Remove the worn bristle blocks following the Grunge Brush instructions.
  3. Fit the new blocks in the same positions.
  4. Adjust the brush to your chain size before use.

Chain Care Tips

  • Clean the chain every few hundred miles, and after wet, muddy or dusty rides.
  • Lube after cleaning, while the chain is still warm from a ride if possible.
  • Check chain slack at the interval in your owner’s manual.
  • Inspect sprockets for hooked or worn teeth while you clean.
  • Rinse the brush after each use so grime doesn’t build up in the bristles.

Related Products

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Helpful Guides From the Witchdoctors Blog

Frequently Asked Questions

Does this fit my Grunge Brush?

It’s the replacement set for the Grunge Brush (per Grunge Brush). Contact us if you aren’t sure which brush you have.

How many brushes are in the set?

The listing doesn’t state the count. Contact us and we’ll confirm.

When should I replace them?

When the bristles are flattened, splayed or stay caked with grime after rinsing.

Can I return it?

Unused items in original packaging can usually be returned. Contact our customer service team, and we’ll help.

Where to Ride

Clean chain, smooth ride. Head out to one of these:

  • Great River Road (Minnesota and the Mississippi River): river towns and bluffs along the Mississippi
  • Windrock Park (Oliver Springs, Tennessee): 300+ miles of mountain trails

Order the Grunge Brush Replacement Brush Set Today

Add it to your cart, and Witchdoctors will get it moving. Questions? Contact our team, and we’ll help.

General Safety Warning & Installation Requirements

Your safety is our top priority. Whether you are maintaining a Victory® or Indian® Motorcycle, or servicing a UTV, ATV, or Side-by-Side, proper installation is vital to the performance and safety of your vehicle.

Important:
Warning: Failure to follow manufacturer-specified installation procedures and safety requirements can result in mechanical failure, loss of vehicle control, serious injury, or death.

Important Fitment Disclosure

At Witchdoctors, we want to ensure you get back on the road or trail as quickly as possible. Correct fitment is the most critical step in purchasing parts for your Victory® or Indian® Motorcycle. Also for your Polaris®, CFMoto®, Arctic Cat®, Yamaha®, Honda®, Can-Am®, Kawasaki® UTV and ATV.

Verification Required: While we strive for 100% accuracy, vehicle manufacturers often make mid-year production changes. Always verify your specific year, make, and model before finalizing your order.
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Shipping

Qualifying Retail orders $159.99 or more will receive free ground shipping. Free Shipping Terms and conditions.

All orders over $500 will require a signature.

Please see International Shipping page for orders shipping outside the US.

See our full Shipping Policy page for further details.

Product Availability

We show real time product availability. These products normally ship the same business day but may ship from one of our warehouses across the country. If an item requires additional processing time you will be notified.

Returns

If your order arrives and it is not right, we will we'll fix it. We promise!

Doesn't fit or just not happy with it? You can return any new, unopened, unused or unaltered item within 30 days of delivery receipt of your item. We will issue a refund to your original payment method.

See our full Return Policy for all of the pertinent details.

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