Skip to product information
8mm carbon fiber ring with 45-degree twill weave pattern, shown on white background
5 images · 1 video

CarbonFG Ultra Forty Five Ring - Carbon Fiber / 45 Twill Weave / 8mm

CarbonFG Ultra Forty Five Ring / 8mm

5.0 58 reviews SKU
$185
CarbonFG Original Made to our spec.

It exists because we decided it should, and it ships under our name.

A bold statement ring handcrafted from 100% carbon fiber with a striking 45-degree woven pattern, combining ultra-lightweight comfort with waterproof durability and made-in-USA craftsmanship.

More details and specs below More details belowKeep reading

Other versions of this item Other versions

8 versions
Build yours
$185
Ring SizeRequired
Read before ordering
  • We offer free returns or one free size exchange if needed. See full description for details.
  • This item is custom made to order in the USA and takes approximately 2-3 business days to produce before shipping.
Shipping
Free over $99 in the USA

Orders of $99 or more ship free inside the USA. Under that, shipping is calculated at checkout and most in-stock orders ship same or next business day.

Shipping and delivery
Returns
30 days to change your mind

Thirty days from delivery, unused and in the original packaging.

Return policy
Since 2007
Real carbon fiber, since 2007

CarbonFG started in 2007 as a record of real carbon fiber things that were hard to find.

About CarbonFG

Pairs well with

CarbonFG Tie Clip Opens in a new window. $19.99$25
Ledon Carbon Fiber Cuff Links Opens in a new window. $39.95

Why you'll love it

Six things worth knowing.

  • Made in the USAHandcrafted in the USA with authentic carbon fiber, supporting American craftsmanship.
  • Ultra-Lightweight ComfortAt less than a gram, you'll forget you're wearing it. No bulk, just sleek style.
  • Waterproof DurabilitySwim, shower, or sweat. This ring handles whatever your day throws at it effortlessly.
  • Bold 8mm 45° WeaveSubstantial width with an angled carbon fiber pattern that sets you apart with modern style.
  • Hypoallergenic DesignSafe for sensitive skin and chemical-resistant for worry-free daily wear in any environment.
  • Risk-Free SizingFree size exchange and returns in the USA. Find your perfect fit with zero worry.
Full description
  • Handcrafted from 100% carbon fiber in the USA
  • Bold 45-degree twill weave pattern (not standard straight weave)
  • 8mm width for substantial presence without bulk
  • Waterproof construction for all-day wear
  • Hypoallergenic and chemical-resistant
  • Ultra-thin ~1.3mm profile sits flush on your finger
  • Exceptionally lightweight at under 1 gram

You appreciate details that set you apart. While others settle for ordinary accessories, you're looking for something that reflects your refined taste and performance-driven lifestyle. The problem? Most rings are either too heavy, too generic, or made from materials that can't keep up with your active life.

The Ultra Carbon Fiber Ring solves that. Handcrafted in the USA from 100% authentic carbon fiber, this isn't just another accessory. The bold 45-degree weave pattern catches the eye without demanding attention, while weighing less than a gram on your finger. It's waterproof, hypoallergenic, and chemical-resistant. Built for daily wear by someone who refuses to compromise on quality or style.

Slip it on and feel the difference real carbon fiber makes. This is the finishing touch your everyday carry has been missing. Lightweight enough to forget you're wearing it, distinctive enough that others won't.

Free Size Exchange and Returns

Try this ring risk-free! On this particular ring, we offer free returns or 1 free size exchange (USA only) within 30 days.

Compatibility and fitment
Shipping and returns

Free US shipping over $99, otherwise rates start at $7. Express options available at checkout. International: free over $200, otherwise from $13, duties and taxes not included.

Returns within 30 days, unused and unopened. Engraved and custom made items are final sale.

01 / 03

Bold by Design

The 45-degree twill weave isn't just different. It's distinctive. While others settle for standard straight weaves, this angled pattern catches light and attention from every angle.

Hand wearing a carbon fiber ring on a dark stone surface with a black background
Close-up of woven fabric with a herringbone pattern

02 / 03

100% Carbon Fiber

No metal core. No wrapping. No fakes. Pure carbon fiber handcrafted in the USA. When we say real carbon fiber, we mean it.

03 / 03

Handcrafted in the USA

Made in the USA by artisans who understand carbon fiber. Every ring is individually crafted with precision and care, supporting American manufacturing.

carbon fiber ring on a white stone with an American flag in the background
Play video: CarbonFG Ultra Forty Five Ring / 8mm

Featured video

Watch: CarbonFG Ultra Forty Five Ring / 8mm

See this product in action before you decide.

Loads on play

Specification

Weave
Twill Weave (Diagonal)
Finish
Semi-Gloss
Weight
1 gram
Dimensions
Band Width: 8mm
Warranty
1 year
SKU
10087.2-7

Materials

  • Real Carbon Fiber

Customer reviews

5.0

Based on 58 reviews

Transparency badge, verified by Judge.me Verified by Judge.me

Every review here comes from a verified order. We email and ask after yours arrives, so there is nothing to submit.

Ask a question

Reviews by Judge.me