Is this liquid flammable?

It will burn through your wallet since it's so overpriced. I've never tried putting a match to it but I doubt it. It's just water-based citrus degreaser, maybe with a surfactant. Here's a link to the safety data sheet which doesn't seem to indicate that it's flammable. https://www.parktool.com/assets/doc/product/CB-4_SDS.pdf

Can you use this on painted carbon fiber bikes? The bike is a Scott Genius 700.

I'm sure you can. However it's ridiculously overpriced, doesn't work any better than citrus degreasers from Home Depot.

What best product to use clean chains with chain cleaner machine ?

I use this product along with the Park tool chain cleaner and have had good results. The chain comes out looking new with no grime or detergent left behind.

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🌿 Clean smarter, ride smoother—because your bike deserves the best.

PROLONGS GEAR LIFE - Regular use reduces wear and friction, extending the lifespan of your bike’s components.
VERSATILE BIKE CARE - Not just for chains—perfect for all bicycle components, making maintenance effortless.
PRECISION POUR DESIGN - Flip-top lid ensures mess-free application every time—no spills, no waste.
ULTIMATE CHAIN REVIVAL - Eradicates stubborn grease and grime to keep your drivetrain shifting smoother and faster.
ECO FRIENDLY POWER CLEAN - Harness the natural strength of plant-based degreasing without harming the planet.

Park Tool CB-4 Bio Chainbrite is a 16 fl oz biodegradable, plant-based degreaser designed to remove tough grease and grime from bicycle chains and components. Its spill-proof flip-top bottle makes application easy, while regular use reduces gear wear and friction for smoother shifting. Ideal for eco-conscious cyclists seeking effective, versatile bike maintenance.

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TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Item Package Dimensions L x W x H	8.78 x 3.82 x 2.52 inches
Package Weight	0.48 Kilograms
Item Dimensions LxWxH	8 x 2.5 x 2.5 inches
Item Weight	464 Grams
Brand Name	Park Tool
Warranty Description	Limited Lifetime Warranty
Model Name	Cb-4 Bio Chainbrite 4 Cleaner
Color	Blue
Material	Plant-based
Suggested Users	unisex
Number of Items	1
Manufacturer	Park Tool
Part Number	CB-4
Model Year	2018
Style	CB-4 Bio Chainbrite 4 Cleaner
Size	16 Fl Oz (Pack of 1)
Sport Type	53000 Cycling
Skill Level	Beginner

Park Tool CB-4 Bio Chainbrite Bicycle Chain & Component Cleaning Fluid - 16 fl oz/472 ml Bottle

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