amazon basics Neoprene Dumbbells, Set Of 2, (5.5 Kgs Each ) - Black

amazon basics Neoprene Dumbbells, Set Of 2, (5.5 Kgs Each ) - Black

Q: Are the weights themselves solid steel under the neoprene?

The 'brutto'- weight of one 1Lb-dumbbell is Wb = 460.9g. To know the volume I put it in the Pyrex measuring cup with 800mL of water - the water level becomes 890mL (this measuring is not exact but I've what I have) - so V = 90mL One mL of water is 1cm3. I prefer cgs-system (cm - g - sec), not SI. To guess the metal I've to take away neoprene volume Vm = V - Vn. In assessment of geometry I replaced two hexagons with their corresponding circles and all round squares with straight angled ones. I guess neoprene is h=2mm thick including gaps. Vn= ~ h x 4 x (3.14 x D1^2/4) - 2 x (3.14 x Do^2/4) + 2 x 6 x Yo x Zo + 3.14 x Do x Z = 0.2cm x 3.14 x 4.3cm^2 - 3.14 x 2.4cm^2/2 + 2 x 6 x 2.1cm x 1.6cm + 3.14 x 2.4cm x 8.6cm = 0.2cm x 58.09cm2 - 9.05cm2 + 40.32cm2 + 64.84cm2 = 30.84cm3 . The weight of the metal is the 'netto'- weight Wo = 454g. The density is: d = Wo / Vm = 454g / (90cm3 - 30.8cm3) = ~7.7g/cm3 - The Cast iron density is: d(Fe) = 7.87g/cm3. I could congratulate myself with a pretty good guess that the metal inside this 1Lb-dumbbell is a kind of cast iron. Though stainless steel is in the same range but I think they took the cheapest variant. So probably if neoprene is not hermetic enough then the iron inside this dumbbell could rust. I wiped it dry after I submerged it in a water. I don't think that my sweat would penetrate and humidify that iron to rust unless it's already did rust which I doubt. At least I know for sure that it's not lead (Pb) inside. It's not a copper (Cu) alloy which is heavier and much less cheap. Thanks, China!

Q: How can I order the stand alone?

Don’t order the stand. It’s the most terrible design for a stand ever created.

Q: Is the grip on these easy for small hands?

The grip IS NOT designed for small hands. Purchased the 15lb s and had to return bc they aren’t easy to hold. My hand barely closes around them. I don’t want to crush my chest bc I dropped the weight doing presses.

4.3/5

Product ID: 100667097

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Details

Brand
amazon basics
Colour
Black
Item Weight
10.88
Material
Neoprene
Special Feature
No Roll Head

🔒Hexagonal design

🖤Neoprene grip

🏋️‍♂️5.5 kg each

Frequently Bought Together

Amazon Basics Neoprene Dumbbell Hand Weights

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Fit Simplify Resistance Loop Exercise Bands with Instruction Guide and Carry Bag, Set of 5

Description

💪 Get Fit, Stay Chic!

NO ROLL DESIGN - Hexagonal shape keeps your dumbbells in place, no more chasing them around!
ELEVATE YOUR WORKOUT - Transform your fitness routine with these stylish dumbbells.
COLOR CODED CONVENIENCE - Quickly identify weights with printed numbers and vibrant colors.
VERSATILE FITNESS ESSENTIAL - Perfect for home workouts or group classes, suitable for all fitness levels.
SECURE GRIP MAXIMUM CONTROL - Easy-grip neoprene coating ensures a firm hold during every rep.

The Amazon Basics Neoprene Dumbbells set includes two 5.5 kg weights designed for strength and resistance training. Featuring a secure neoprene grip, color-coded identification, and a hexagonal shape to prevent rolling, these dumbbells are perfect for both home workouts and fitness classes. With a 1-year limited warranty, they combine functionality with style.

Specifications

Brand	amazon basics
Colour	Black
Item Weight	10.88 Kilograms
Material	Neoprene
Special Feature	No Roll Head
Use for	Hands, Back
Product Dimensions	22.8L x 11.1W Centimeters
Style	5.5 KGS Each
Handle Diameter	5.5 inch
Handle Material	Neoprene
Number of Pieces	2
UPC	841710155846 840095875578 843639101935
Global Trade Identification Number	00841710155846
Manufacturer	Sun Malleable Private Limited-Punjab
Department	womens
Country of Origin	China
Item model number	DB1001
ASIN	B01LR5SAIA

Have a Question? See What Others Asked

Are the weights themselves solid steel under the neoprene?

How can I order the stand alone?

Is the grip on these easy for small hands?

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