Xiphias 105 | 26" 105mm Single-Wall Carbon Fat Bike Rim 585g

World's widest 26" Xiphias single-wall carbon fat bike rim for 4.6" to 6.0" tires.

  • Unit Price: 400.0 USD

  • Earn 400 Points on this purchase


Craft your ride — it starts with your choices above.


Specification

Basic

  • Model: Xiphias 105
  • Rim Type: Fat Bike (Clincher, Hookless)
  • Materials: Toray T700 + T800 Carbon Fibers
  • Brake Interface: Disc Brake
  • Edition: Premium Edition
  • ASTM Classification: Condition 5
  • Warranty: 3 Years
  • Release Time: September 2017

Dimensions

  • Size: 26"
  • Axial Direction Angle: 8 degrees
  • BSD (Bead Seated Diameter): 559mm
  • ERD (Effective Rim Diameter): 544mm
  • External Width: 105mm
  • Radial Direction Angle: 6 degrees
  • Internal Width: 99mm
  • Rim Height: 17.5mm
  • Weight: 585g (Upgrade 2024)
  • Valve Hole Diameter: 6.5mm (Presta)
  • Spoke Holes Diameter: 4.5mm
  • Spoke Holes Offset: +/- 3mm
  • Assembly Hole Diameter: 7.5mm
  • Tubeless Compatible: Yes

Appearance

  • Carbon Weave: UD / 12K
  • Finish: Free-Coating, Matte, Glossy

Recommendation

  • Tire Size: 4.6" ~ 6.0"
  • Tire Pressure: 3 ~ 10 psi
  • Spoke Tension: 100 ~ 130 kgf
  • Max System Weight: 185 kg
  • Ideal Valve Stem Length: 24mm

Discipline

  • Discipline: Trail, All Mountain, Enduro, Snow, Sand, Downhill, Dirt Jump

Description

Introduction

Fat bikes are quite similar to regular bikes, but have much wider rims and larger tires that provide enough support to ride on the snow or sand. Fat bikes are especially suitable for winter cycling. With wide tires, you could easily float on top of the snow and make your way through the winter.

This single-wall carbon fiber fat bike rim Xiphias 105 was designed and developed in 2017. It's super light, only 585g weight. Its design concept draws on our well-known Wild Dragon double-wall fat bike rim. It is strong due to the stable construction of triangular cross-section. To make the wheel assembly more perfect, the spoke holes of the rim are drilled at an angle. The axial direction angle and the radial direction angle are 8 degrees and 6 degrees. The profile drawing is as below.

Xiphias 105 carbon fat bike rim profile drawing

The tire size for this model of rim is recommended at 4.6" ~ 6". The tire pressure is recommended at 3 ~ 10 psi. 


Who is it for

The Xiphias 105 is ideal for:

Riders running 4.6" to 6.0" tires who need the widest 26" single-wall fat bike rim available.

Anyone riding deep snow, loose sand or extreme terrain where maximum floatation matters.

Riders who want a lightweight wide rim with the proven Wild Dragon triangular platform.

Builders pairing it with 150mm or 197mm rear hub spacing on modern fat bike frames.


Design features

Width 105mm fits more forms of cycling and keeps riding in great stability;

Deep channel would help you easily install and take off a tire;

Small bead socket could lock tire tightly and help run tubeless perfectly;

Aero roof surface (triangle-like shape) could easily shed the dirt or mud, better to release weight during cycling;

Section of triangle's inherent feature of stability on rim design keeps rim in strong performance.


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?


Need more info?

Visit our F.A.Q. page for common questions about shipping, warranty, returns, and product care.

Reviews (3)

Aaron WVerified Buyer January 23, 2021

This is my long term, second review of the Xiphias 105mm rims. I’ve been on them now for two years and they have been absolutely reliable. They’ve never unseated on me even with 3psi riding at -30F or colder using Stans sealant. Spokes have stayed tensioned and perfectly true. They’ve taken a few hard hits and come away unscathed. I don’t worry about them, I just go and ride, adjusting my pressure to suit the conditions. I have no worries about my wheels leaving civilization for multiple days. They are light and make spinning a massive float wheel about as painless as possible. An expensive purchase but 100% worth it for the capabilities my bike gained in soft conditions and all others as well. I weigh 180lbs and am not the most finesse-full rider out there but their strength hasn’t been an issue for me. I ride a lot and definitely recommend these wheels.

Scott DVerified Buyer November 12, 2020

These are excellent rims. I built them up as a backcountry wheel set for soft conditions in Alaska, paired with studded 4.6" 45Nrth Dillinger and Wrathchild tires. They have been flawless over two seasons now. They were a little difficult to tape due to the raised spoke nipples on the single wall, but clear Gorilla tape was stretchy enough to work ok. The tubeless tires seated fairly easily, and basically never lose air. I'm running Stan's sealant in case of punctures, but they hold air well even without sealant. Most importantly, they have been totally reliable and durable in cold, rough backcountry use. They can be run at very low pressure (~3 psi) in very low temperatures at -30F or colder without burping air, which is a big advantage over aluminum rims. My HED BAD wheels tend to unseat and leak air at low pressures and temperatures below about -10F, so I trust these Xyphias wheels much more for cold, remote riding.

Aaron WVerified Buyer January 30, 2020

I bought a set of Xiphias 105mm 26” as I wanted a wide set of wheels that I could use a 5” wide tire to deal with the large amounts of fluff we get here in Alaska. I occasionally race also and wanted a light wheel set with max floatation.

I was impressed by the quality and the subtle graphics look sharp! The rims weighed a few grams less than advertised. They were easy to lace up and tension/true. They practically built themselves. I saved well over a pound over my prior 80mm Mulefut aluminum wheel set. I set them up tubless and even in -40F Aired down I’ve never had a problem with the bead unseating, unlike my aluminum rims. I’ve ridden them and abused them nearly daily during the winter months problem free for close to a year. They’ve been strong and have stayed true. They role beautifully and feel like half their size. I’m absolutely happy with my purchase. Enough so that I will be buying another narrower set of these rims to build a hard pack oriented pair.

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