can i fill this oil for unicorn bike disk brakes?

Unicorn doesn't make brakes, they do frames. Look at your brakes. If they are Shimano and say "Shimano Mineral Oil" on the reservoir housing at the lever, then that's what they use.

What is the safest thing to do with old used oil?

Don't pour it down the drain of flush it. It is non-toxic mineral oil so you could treat it like old olive oil I guess. Or bacon grease. If you ever burn leaves or wood scraps you could burn it. Good question.

What is the volume of oil in this product? Yet another Amazon listing without relevant details!

The description says 1000 cc (cubic centimeters), which is approximately one quart.

May i apply it to my bicycle chain?

I would not use this product as a chain lube. I would recommend a product like Rock and Roll Gold Standard Chain Lubricant. Pedros and Finish Line also make chain specific lubricants.

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Shimano Mineral Oil

Product ID: 1840590

Details

Brand
SHIMANO
Liquid Volume
1000 ml
Material
Plastic
Package Information
Bottle
Recommended Uses For Product
Lubricate disc

🌿Eco-friendly & non-toxic

🔥Excellent heat expansion

🚴‍♂️Universal hydraulic compatibility

£44.56

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Description

🚴‍♀️ Stay ahead of the pack with Shimano’s mineral oil — where performance meets peace of mind!

ECO CONSCIOUS RIDE - Non-toxic formula that resists moisture absorption, reducing brake failure risks.
VERSATILE PERFORMANCE - Perfect for mountain, road, and gravel bikes demanding top-tier stopping power.
EFFORTLESS MAINTENANCE - Simplifies brake fluid changes with a clean, easy-to-handle design.
ONE BOTTLE MULTIPLE BIKES - Generous 1-liter volume supports maintenance across your entire cycling fleet.
CONSISTENT BRAKING POWER ALWAYS - Advanced heat expansion keeps your brakes reliable on every descent.

Shimano Mineral Oil is a 1-liter, non-corrosive hydraulic brake fluid engineered for consistent braking performance under heat stress. Its eco-friendly, non-toxic formula resists moisture absorption, reducing maintenance hassle and brake failure risk. Compatible with all hydraulic disc brake systems, it’s the go-to choice for serious cyclists seeking reliable, high-performance stopping power across mountain, road, and gravel terrains.

Specifications

ASIN	B001E4MH84
Best Sellers Rank	#15,365 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2,531 in Cycling Equipment
Brand Name	SHIMANO
Compatible Material	Disc Brake Systems
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (2,082)
Flash Point	80 °C
Included Components	Mineral Oil
Item Form	Liquid
Item Type Name	Oil
Liquid Volume	1000 ml
Manufacturer	Shimano
Material	Plastic
Model Number	SM-DB-OIL
Number of Items	1
Number of Packs	1
Part Number	SM-DB-OIL
Recommended Uses For Product	Lubricate disc brake systems Shimano
SAE J300 Viscosity Grade	30
Specific Uses For Product	Lubricate Shimano disc brake systems, Maintain performance in varying riding conditions, time, temperature and heat generated in the system
UPC	750022902362 022255354042
Unit Count	33.81 Fluid Ounces

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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£44.56

Duties & taxes included

In stock

Sold byAmazon UKDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to UK.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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