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The ENVE Twenty7.5 XC is based off of ENVE's 26 and 29inch wheelsets. To this end, they feature the same carbon molding techniques, and the result is a set of rims that exceed the strength and stiffness of alloy rims. The XC Wheelset isn't the lightest of its mountain wheelsets, but they're plenty strong for aggressive trail riding — while rivaling the weight of some alloy XC wheelsets. That's because ENVE uses a special bladder system to increase the heat and pressure while molding the rims. This packs the layers tighter, as well as improving both the internal and external rim surfaces. And a place where ENVE stands nearly alone in weight reduction is that the bladders are actually removed once the mold is set, thus shedding extra weight at the rim. The XC rims are made with uninterrupted carbon filaments. This is possible due to the high level of precision in ENVE's molding process.

So how are the spokes added? The spoke and valve stem holes are created in-place during the molding process. This results in a final structure with long, intact, and continuous carbon filaments that distribute stress loads over their entire length and across the rim. This allows for higher tensioned spokes, and with the XC this translates to a stiffer wheel.

The ENVE Twenty7.5 XC (650b) is built with 32 hole DT Swiss 240 hubs. For a durable and low rolling resistance, the rear spins on four separate stainless steel sealed-cartridge bearings. The ratcheting freehub offers tool-free access for routine cleaning and lubrication, and the freehub body is made of aluminum in order to keep the package lightweight.

The ENVE Twenty7.5 XC Carbon 27.5in Wheelset comes with two UST-valve stems and a roll of tape to seal both rims. The rims measure 31mm deep, and 24mm wide. These wheels are also compatible with UST tires.  The wheels are available with either a 15mm thru-axle front hub and 12x142mm thru-axle rear hub or as QR front and rear hubs.

Please note that the rims are covered under a five year manufacturer warranty. The hubs and spokes are not covered under the ENVE warranty. Also, we are only able to ship this product within the United States.

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Have questions about this product?

1) Are these wheels compatible with 6-bolt rotors?
2) Are these wheels compatible with 11-speed cassettes? (i.e. XTR 1x11)

Hi,

These wheels are built around DT Swiss 240 6-bolt disc hubs. 6-bolt rotors will instal in a breeze!



These hubs will accept an 11-speed Shimano Mountain cassette (XTR CS-M9000 or XT CS-M8000) without any problem. For a SRAM 11-speed cassette, purchase a DT Swiss XD Driver body separately.



If you have further questions about these wheels, or if you would like to place an order contact me directly at mnelson@backcountry.com or call me at 801-736-6396 x 4076.

Is there any rider weight limit to this wheel-set?

Also, the description says 32 hole, but the tech spec says 28 - can you tell me are the wheels 28 or 32 spokes?