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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Park Tool CB-4 Bio Chain Brite 16 Ounce Bottle

Park Tool CB-4 Bio Chain Brite 16 Ounce Bottle

Product ID: 137149040

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Details

Brand
Park Tool
Item Form
Liquid
Scent
Natural
Specific Uses For Product
Bottle
Material Feature
Biodegradable
Item Volume
16 Fluid

🌿100% biodegradable & plant-based

⚙️Powerful grease & grime removal

🇺🇸Proudly made in the USA

Description

🌿 Clean your ride, save the planet — the ultimate bio-powered degreaser!

TRUSTED QUALITY - Manufactured by Park Tool in the USA, ensuring reliability and professional-grade results.
ECO FRIENDLY POWER - Harness the strength of nature with a 100% biodegradable, plant-based formula that cleans without compromise.
COMPACT CONVENIENT - 16-ounce bottle size designed for easy handling and precise application on the go.
VERSATILE DEGREASING - Not just for chains—use it as your go-to general-purpose bike degreaser to keep every part spotless.
DEEP CLEAN PERFORMANCE - Effortlessly dissolves the toughest grease and grime on chains and bike components for peak performance.

Park Tool's CB-4 Bio Chain Brite is a 16-ounce, 100% biodegradable, plant-based degreaser designed to remove tough grease and grime from bicycle chains and components. Made in the USA, it doubles as a versatile general-purpose bike degreaser, combining eco-consciousness with professional-grade cleaning power.

Specifications

Manufacturer	Park Tool
Country of Origin	USA
Item model number	QKCB410
Product Dimensions	20.32 x 6.35 x 6.35 cm; 464 g
ASIN	B014LC7E1A

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