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🧼 Scrub smarter, ride cleaner — because your bike deserves the best!
The ParkTool GSC-4 Cassette Clean Brush features stiff nylon bristles and an ergonomic handle designed for efficient, comfortable cleaning of bike cassettes, freewheels, and tires. Its contoured shape ensures thorough grime removal, making it a top-rated tool (#20 in Bike Cleaning Tools) trusted by cycling enthusiasts for maintaining drivetrain performance.







| ASIN | B097DZCLHB |
| Best Sellers Rank | #41,588 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #26 in Bike Cleaning Tools |
| Brand | Park Tool |
| Brand Name | Park Tool |
| Color | Blue |
| Customer Reviews | 4.8 out of 5 stars 371 Reviews |
| Handle Material | Plastic |
| Included Components | GSC-4 - Bicycle Cassette Cleaning Brush |
| Item Dimensions L x W x H | 6.75"L x 2.15"W x 2.25"H |
| Item Length | 9 inches |
| Item Type Name | Cycling Tools |
| Item Width | 4.5 inches |
| Manufacturer | Park Tool |
| Manufacturer Part Number | GSC-4 |
| Manufacturer Warranty Description | Limited warranty. |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | GSC-4 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Other Special Features of the Product | Sturdy |
| Product Dimensions | 6.75"L x 2.15"W x 2.25"H |
| Product Firmness | Hard |
| Shape | Unregelmäßige Form |
| Specific Uses For Product | Fahrzeug |
| Surface Recommendation | Metal |
| UPC | 763477003591 |
| Unit Count | 1 Count |
G**R
The best cassette cleaning tool.
Great for cleaning my cassette... Looks like new.
G**Y
Prepare to discover how disgusting your cassette actually is
I bought this thinking, “It’s a brush. How much difference can it really make?” Turns out, quite a bit. The shape gets down between the cassette cogs really well and makes it ridiculously easy to knock out the dirt, grease, and mysterious black sludge that apparently decided to establish permanent residency in my drivetrain. The bristles are stiff enough to actually scrub without feeling like I’m attacking my bike with a wire brush, and the angled design makes it much easier to reach places a normal cleaning brush doesn’t. After a few minutes of cleaning, my cassette went from “I ride gravel” to “I occasionally maintain my belongings.” Simple tool, works exactly like it should, and definitely worth ten bucks. Fair warning: You may learn things about the cleanliness of your drivetrain that you were happier not knowing.
S**1
Great little brush. High quality as usual from Park Tools
Park Tools really does make superior products. They cost a little more, but this little brush really fits the bill and I can tell I'll have it forever.
A**E
Fine Cassette Cleaning Tool Albeit Pricey
Worked great scrubbing on my filthy greasy bicycle cassette. A little pricey for a small chunk of plastic but I wanted to be sure I could dig into it. Shaped perfectly.
R**E
Use it after every bike ride.
Works great cleaning my cassette after long rides. I live in North Florida, so it's either extremely dry and hot, or wet and hot, so the drive train typically gets a lot of build up. It's been great to clean everything and remove he bulk while packing the bike up after a ride.
C**P
I like it.
I like this brush better than the single gear cleaning brush.
M**K
So fresh and so clean
Perfect cassette brush. Why I waited so long to get one, I will never know...
A**R
Very useful
Well made and does a great job.
J**S
Cepillo park tool
Supera mis espectactivas el cepillo de parktool
B**N
Schnelle Lieferung
Erst 1mal benutzt tut was es soll
L**S
Top Borstel
Zeer goede borstel om het cassette te poetsen. Beste die ik al gehad heb. Aanrader!
C**I
Efficace
La spazzola risulta efficace per la pulizia di pacco pignoni, guarnitura e in generale per parti del cambio. Acquistata su werehouse ha un prezzo accettabile altrimenti il prezzo è eccessivo.
C**D
GSC-4 CEPILLO LIMPIEZA CASSETTES
bonne brosse Parktool pour nettoyé les cassettes vélo
Trustpilot
2 days ago
1 week ago