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Ibis
741 27.5in Wheelset

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Out of Stock

Don't worry though, we have a lot more 27.5" Mountain Bike Wheels - Tubeless in stock than that.

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All you need to know: the industry's widest carbon rims.

On one level, mountain bike wheels haven't changed all that much in the last few decades. Sure, there are some new hub standards and new materials being used, and rim brakes gave way to discs, but in general, the tried-and-true rim/spoke/hub formula has rarely seen much tinkering. It takes some radical thinking, engineering, or just plain creativity, to really push the wheel envelope. When Ibis started poking around with new wheel concepts, however, it really began pushing, and with the 741 Wheelset, the envelope finds itself right on edge of the wheel industry's proverbial frontier. In short, these wheels are something very new, and very good.


So what sets them apart? Width. Wheel manufacturers have slowly started to figure out that, on both dirt and pavement, going wider pays dividends. Wider internal rim widths (note: not simply a wider rim body) means the tire beads can sit farther apart, which means greater tire volume, which means that lower tire pressures can be run for greater traction and handling, because the tire is more free to deform and deflect around obstacles without drastically altering the path of the wheel's momentum. Ibis says you can run 4-6 less PSI of pressure, on average, with the 741s. Wider rims also translate into a wider tire footprint, again boosting traction, and increasing stability at the same time. A wider footprint also means that your tire fattens up relative to its labeled size; for example, a 2.2-inch tire can widen to the volume of a 2.3- or 2.4-inch tire, depending on the rims themselves, so you can run lighter tires without giving up capability or gnar-ability.


Now, take a look at the emerging world of 27.5-inch all-mountain-ready bicycle wheels, and you'll find internal rim widths from 21-26mm. Ibis takes that average and gives it an "F." Witness the 741: thirty five millimeters. That is gigantic. That is tremendous traction and capability. That is stability for days. But they must weigh a mega-ton, right? False. The 741 wheelset's carbon rims keep weight down to an astounding 475 grams per hoop, totaling 1650g for these monsters, and coming from the company that raised legendary all-mountain machines like the Mojo and the Ripley, you know durability is a given.


Need numbers? Ibis tested the gravy out of the best competitors' rims for comparison and found its new 741s to be anywhere from 50% to 300% stronger in various tests. Part of what made this possible was the hookless bead construction of the rims, which optimizes tubeless tire compatibility while strengthening the bead by replacing traditional musical note-shaped beads with stout rectangles of carbon. Spoke holes are also reinforced by additional carbon to ensure strength, too. Ibis opted for traditional J-bend spokes (triple-butted: 2.2 - 1.5 - 2.0), and standard 7075 alloy spoke nipples — all available from your local bike shop in a very-worst-case scenario. Ibis' proprietary hubs are precision built and feature Enduro bearings for durability and longevity.


The Ibis 741 Wheelset is for 27.5-inch mountain bikes. Out of the box, the front wheel comes ready for a 15mm thru-axle, while the rear comes ready for a 12x142mm thru-axle. End caps are available separately to convert both wheels to quick-release compatibility. Running a 20mm thru-axle on the front wheel is not currently possible. The wheels will come with a standard SRAM/Shimano HG freehub body, but a SRAM XD freehub body is also available separately.


Details

  • Carbon fiber
  • 35mm internal and 41mm external widths
  • Triple-butted spokes
  • DT Swiss 350 rear hub and Ibis front hub
  • Hookless rim
  • Tubeless ready
  • Compatible with disc brakes only
  • Item #IBS000H
Rim Width
[internal] 35 mm, [external] 41 mm
Brake Compatibility
6-bolt disc
Spokes
triple-butted
Recommended Use
mountain biking
Manufacturer Warranty
3 years

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