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Extrema Ratio - BD1 R Satin Folding Knife - 04.1000.0226 / SAT

Extrema Ratio - BD1 R Satin Folding Knife - 04.1000.0226 / SAT
Extrema Ratio - BD1 R Satin Folding Knife - 04.1000.0226 / SAT
Extrema Ratio - BD1 R Satin Folding Knife - 04.1000.0226 / SAT - Folding Blade Knives
Folding Blade Knives - Extrema Ratio - BD1 R Satin Folding Knife - 04.1000.0226 / SAT
Product code: 28637
Manufacturer: Extrema Ratio
  • Extrema Ratio BD1 R Satin is a universal folding knife that can be used in EDC. Made of high-strength steel, Böhler N690 has excellent sharpness and cutting properties while maintaining a low weight and size.
179,50 EUR
incl. VAT / pc
After sending this order you will gain 718 pts.
Free delivery from 74,75 EUR
Replacement or return by 30 days

Extrema Ratio BD1 R Satin folding knife (04.1000.0226 / SAT)

BD1 R Satin is a small EDC folding knife from the legendary Extrema Ratio manufacturer. Made of Böhler N690 stainless steel with a hardness of 58 HRC, the knife is characterized by strength and high resistance to blunting. The plain blade with the Spear Point profile is made with a flat, full grind and has a perfect blade edge geometry, ensuring high cutting precision while maintaining a small size. The knife is equipped with a High Speed ​​Razor Opening System lever, which facilitates the opening of the knife and the extraction of the blade.

Durable, handy and light - the perfect knife for everyday use

The blade is locked in place with a Liner-Lock, which ensures that the blade is kept in the correct position, preventing unexpected closure during use. Non-slip anodized aluminum handles provide a durable and ultra-light construction - the knife weighs only 75 grams. BD1 R Satin has a bridge-shaped clip at the bottom of the handle that allows discreet transfer of the knife upside down. When gripped upside down, it additionally supports the thumb. The open-backed design of the knife facilitates maintenance and cleaning, and the blade itself is easily processed for sharpness using, for example, a sharpener.


  • Blade made of durable, sharp N690 stainless steel with a hardness of 58 HRC
  • Blade with a full flat cut, plain type, guaranteeing high durability and perfect geometry of the cutting surface
  • Equipped with a lever that facilitates opening, the so-called High Speed ​​Razor Opening System
  • Liner-Lock mechanism that locks the blade
  • Non-slip anodized aluminum handles guarantee durability and lightness of the structure
  • Open-backed construction for easy knife maintenance
  • A metal clip that allows the knife to be discreetly carried with the tip up

Steel typeBöhler N690
Blade hardness58 HRC
HandleAnodized aluminum
Blade lock Liner-Lock
Blade length70 mm
Blade thickness2 mm
Overall length170 mm
Weight75 g
Head's profileSpear Point
Type of cutting surfacePlain
Kind of cutFull Flat
ProducerExtrema Ratio

Frequently asked questions

How can I contact with shop customer service?

The best solution is to send an e-mail to You can also contact us by phone from Mon. to Fri. 9.00a.m. - 5.00p.m., at +48 533 372 997.

What payment methods do you support?

We provide such payment methods as PayPal, Card payment, Wire transfer, traditional bank transfer but also PayU, BLIK and in our stationary store also cash.

How many days do I have to return the product?

The statutory period for returning online orders is 14 days, however for your comfort we have extended this period to 30 days from the day of purchase.

Is overseas delivery possible?

Yes, we offer delivery throughout the European Union, we use UPS and GLS, costs as per the price list.

For shipping to Germany, Austria, Czech Republic, Romania, Hungary, Netherlands free delivery is available for purchases over €100 and for other selected countries over €200

Why the difference in order processing times?

We use several warehouses, including external ones, so in order to complete an order we sometimes need a few days to bring some products.

What do order statuses mean?

Pending Delivery: At least one of the products you ordered needs to be moved from an outside warehouse. This generally extends the lead time by 1-5 days.

Pending payment: Your order is pending payment. Once your payment has been posted, we will begin processing it immediately.

Packed: Your order is being assembled in our warehouse. It will be forwarded for shipment shortly.

Ready to ship: Your order has been packed and is awaiting pickup by courier.

Stopped: Your order is being held up. This may be due to the goods you have ordered not being in stock. Please contact our Customer Service team.

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