[Drunken Rhinoceros 128] 26" Fat Bike Double-Wall Carbon Rim 128mm 800g

World's WIDEST Bicycle Carbon Rim

  • Unit Price: 550.0 USD

  • Price in reward points: 55000


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Basic

  • Model: Drunken Rhinoceros 128
  • Name: Drunken Rhinoceros
  • Rim Type: Fat Bike (Clincher, Hookless)
  • Materials: Full Carbon Fiber
  • Brake Interface: Disc Brake
  • Edition: Premium Edition
  • ASTM Classification: Condition 5
  • Warranty: 3 Years
  • Release Time: April 2023

Dimensions

  • Size: 26"
  • BSD (Bead Seated Diameter): 559mm
  • ERD (Effective Rim Diameter): 489mm
  • External Width: 128mm
  • Internal Width: 120mm
  • Rim Height: 45mm
  • Weight: 800g
  • Valve Hole Diameter: 6.5mm (Presta)
  • Spoke Holes Diameter: 4.5mm
  • Spoke Holes Angle: Axial 9° | Radial 6.5°
  • Spoke Holes Offset: +/- 6mm
  • Assembly Hole Diameter: 7.5mm
  • Drain Holes: No
  • Tubeless Compatible: Yes

Appearance

  • Carbon Weave: UD. 3K. 12K
  • Finish: Free Coating. Matte. Glossy

Recommendation

  • Tire Size: 5.2" ~ 6.5"
  • Tire Pressure: 3 ~ 10psi
  • Spoke Tension: 110 ~ 130kgf
  • Max System Weight: 300Kg
  • Ideal Valve Stem Length: 50mm

Discipline

  • Discipline: Trail. All Mountain. Enduro. Snow. Sand. Down Hill. Dirt Jump

Introduction

This should be the widest carbon bicycle rim around the world —— Drunken Rhinoceros 128mm.

We thought the Xiphias 105mm rim had been compatible enough for the biggest tires currently on the market. But according to the needs of one of our loyal customer fans, who is a fat-bike enthusiast, the Xiphias 105mm is still not wide enough, especially for the ground with very thick snow. Wider rims are much more beneficial. In the end of year 2022, we decided to design and to develop the world's widest carbon bicycle rim - the Drunken Rhinoceros 128mm. Even though it's an extremely niche product, we would like to push the boundaries of carbon fiber cycling if one product could meet the needs of our wide range of customers from all the world.

NEXTIE 128mm Carbon Fat Bike Wheel Rim Drunken Rhinoceros

Now we have made another breakthrough by developing Drunken Rhinoceros 128mm rim, which used the classic design structure of the Wild Dragon, ensuring extremely high strength, making it more suitable for wider tires. This is another proud product that we make. Drunken Rhinoceros rim would bring different and much better experience to our customers in the fat bike cycling. 


The tire size for this model of rim is recommended at 5.2" ~ 6.0". The tire pressure is recommended at 3 ~ 10 psi. 


Design features

Extraly wide options fit jumbo snow tires for extreme snow conditions while reducing rotating mass.

Wide 128mm design is ideal for four-season trail riding with 5.0" to 6.0" wide tires.

The 45mm deep section of the Drunken Rhinoceros rim provides extra rigidity for more aggressive riders.

Providing a deep channel between the bead seats makes it easier to install and take off tires.

A compact bead socket locks tires in tightly for easy tubeless installation.

Aero-style rim profile (the triangle-like shape) sheds dirt and mud when conditions get rough.

(If you've ever packed wet snow between your spokes where it sticks to rim cutouts, you know how critical this feature can be)


Reviews

MTBR Review about Drunken Rhinoceros.


What’s in the Box

Carbon Rim(s)

Documentation


Learn more

What is the difference between weaves UD, 3K and 12K?

What is Free Coating Manufacturing (FCM) process?

What is the Difference between Ultralight, Premium and Standard Edition?

What is ERD (Effective Rim Diameter)?

How much spoke tension should I use?

Reviews (4)

Ilya 26/03/2024

I'm not a owner of this fantastic rims. I am owner of 95mm wide Nextie rims only and 4.8-inches tyres only. But I want to ask where I can buy tyres wider than 5,05 (6 inches as recommended) and which frame sets allows to fit this setup?
Does the Nextie plan to design and build innovative fiberglass (carbon) frameset, which may be used with 128mm rims and 6.0-tyres?
Thanks in advance!
With best wishes from Anishino's fatbike fans.

NEXTIE answers: Thanks for the comments! The Drunken Rhinoceros rim is a groundbreaking product and there aren’t many matching accessories or components on the market yet. But you may read this thread, it may help. https://www.mtbr.com/threads/may-the-float-be-with-you.1226346

Luka G. 21/02/2024

I haven't experimented with ultra-low pressures between 0-0.5 PSI yet, because 1) I need to recalibrate my 0-15 PSI Meiser Accu-gage, 2) it's hard to measure below 1 PSI anyway, and 3) there were tours with 2000+ ft (700+ m) vertical difference, where pressure on top and bottom can vary a lot, and due to lack of deep snow cover I was on the safe side of the rim impacts. The self-steering is noticeable though when running 2XLs on below 2 PSI on hardpack only, which is expected and well-known.

A spiked 2XL or a wider Johnny (5.5?) would be the ultimate tire for all conditions. I do miss spikes on frozen or icy patches, so Johnny5 w/ XL studs will be mounted when the snow starts to transform.

Gears could be easily even lower than 24/50. There's so much grip and some climbs are so steep that there's too much grinding as opposed to gentler spinning.

Luka G. 21/02/2024

Overall, extremely happy with how it turned out. The wheels do add a lot of extra float and traction that I've previously missed with 4.6" tires. Have a feeling there's more side grip too, but will need to do some back-to-back testing to confirm. It's not a magic potion though, with 15-25 cm of fresh snow it will favor flatter terrain and climbing won't be particularly enjoyable (or even possible to ride, depending on the ground-grip under). Going down, that extra float does come in handy. Overall, the ride is more "on top", calmer, and more predictable than with narrower tires.

In particular, I wanted to be able to ride in fresh snow and deep snow conditions and so far, this is showing lots of potential and improvement compared to my narrower ride.

Despite running higher pressures (7 PSI) on approaches, rolling resistance and wheel weight are noticeable on hardpack and especially tarmac.

Luka G. 21/02/2024

A long time ago in a galaxy, far far away ... I felt a disturbance in the force. An unknown craft, the thicc Drunken Rhinoceros, was imminent to land on Fatooine.

Still, the Drunk Rhinos kept me thinking. By my crude calculations, it could be as much as 15 % more volume compared to 105 mm rims, making the jump to a new platform feasible. A New Hope ... or an expensith experiment? One way to find out.

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