FitMatch

Roborock E4 Mop side brush

The Roborock E4 Mop takes the Roborock Side Brush (S / Q / Qrevo series) (part RR-BS0-Q80MaxPlus-M2) as its side brush; replace it every 6 months; Australian sellers list it from A$29.95 as of 1 August 2026. Fitment confirmed against the manufacturer's compatibility list.

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Roborock E4 Mop

Your robot vacuum

Roborock E4 Mop

Robot vacuum · E series

Takes this filter

Side Brush (S / Q / Qrevo series)

RR-BS0-Q80MaxPlus-M2

The right side brush for E4 Mop

Roborock Side Brush (S / Q / Qrevo series)

Part codeRR-BS0-Q80MaxPlus-M2
  • Replace every 6 months
  • Fits inside the fridge
  • Fits 43 models
Roborock Side Brush (S / Q / Qrevo series)

Sellers from

$29.95

3 sellers compared

The three-armed side brush that sweeps edges into the path of the main brush. One brush fits almost every S, Q and Qrevo robot; it is held by a single screw. Trim hair off it monthly and replace when the arms bend or wear short.

Pack
2 brushes
App timer
200 hours of cleaning
Fitting
One screw, no tools beyond the small screwdriver in the box
Every number this part goes by
Retail name:
RR-BS5-Q85MaxPlus-M2
Retail name:
SDBS02RR
Retail name:
SDBS02RRBLK

Where to buy

Every seller we track for this part, cheapest first. Genuine is the manufacturer's own part; compatible is a third-party filter made to fit. Prices are re-checked daily where the seller publishes them. Last checked 6 September 2026.

How long it lasts

Replace every 6 months — the app reminds you.

After fitting: Reset the side-brush timer under Maintenance in the Roborock app.

Flow slows and taste drops off as the filter fills up. Changing on time is the whole point of the filter.

Not due yet?

This filter is due every 6 months. We'll email you when it's time — free, no spam.

Fitting it

A few minutes, no tools. Watch it done, then follow the steps.

Roborock S5 General maintenanceRoborock (official) · YouTube
  1. 1Turn the robot over on a towel. The side brush is the three-armed brush at the front corner.
  2. 2Undo the single screw in the centre of the brush with the small screwdriver from the box and lift the old brush off.
  3. 3Seat the new brush on the post, do the screw up snugly, and spin it by hand to check it turns freely.
  4. 4In the Roborock app open Maintenance and reset the side-brush timer.

About your Roborock E4 Mop

Roborock robot vacuum, robot vacuum — E series. Its side brush is the Side Brush (S / Q / Qrevo series), part RR-BS0-Q80MaxPlus-M2, changed every 6 months.

Also in this robot vacuum: Roborock Mop Cloth (Q5 / Q7 / Q8, S5 / S6, E series) (every 6 months). Worth replacing together — one job, not two.

Checking the model number: Flip the robot over: the white label on the underside lists the model (e.g. S7 MaxV, Q7 Max+, Qrevo Curv) and serial. The Roborock app also shows the model under Settings, then Device info.

Fits these models

Common questions

Which side brush fits the Roborock E4 Mop?
The Roborock E4 Mop takes the Roborock Side Brush (S / Q / Qrevo series) (part RR-BS0-Q80MaxPlus-M2).
How often should I replace the side brush in my Roborock E4 Mop?
Every 6 months, or sooner if it looks worn.
Where can I buy the RR-BS0-Q80MaxPlus-M2 in Australia?
We track 3 Australian sellers for the RR-BS0-Q80MaxPlus-M2; the lowest listed price when we last checked was A$29.95 at robot_specialist. Prices are re-checked daily and dated on this page.
How do I fit the RR-BS0-Q80MaxPlus-M2 in a Roborock E4 Mop?
No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.

Own a E4 Mop and this looks wrong? . Reports go to a person, not a bot.

Confirmed fitRR-BS0-Q80MaxPlus-M2 · from $29.95Compare sellers