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PhotoEaston unveiled the EC90 XC wheelset today, which is a carbon fiber wheel designed for cross country racers and trail riders. At just 1,285 grams, they are the lightest UST compatible XC wheelset on the market. Even though they are incredibly light weight, they still manage to withstand a pretty impressive amount of abuse thanks to the use of Easton’s proprietary Armored Ballistic Composite and their acoustic tensioning and truing system.

The EC90 XC features a 19-mm internal rim width (and 24.7-mm external width) that will accommodate tires up to 2.3-inches wide, which suits it well to almost all XC and trail bike applications.

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The EC90 XC wheel system spins on a set of proprietary Easton hubs featuring a CNC-machined hub shell, a 7050 aluminum cassette body, and an oversized 7050 hollow axle riding on premium grade, double sealed ceramic bearings. 

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The XC-optimized hubs are mated to the carbon rims via sandblast gray Sapim straight-pull spokes threading into Easton’s patented double-threaded nipple system, eliminating the need for spoke holes in the rim bed.

Availability is May 1, 2011 and the wheels will retail for $2,500.

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Easton EC90 XC Wheelset Specs: 
  • 
Only 1,285 grams per set (26”); 1,416 grams per set (29”)
  • EC90 XC rims feature the Armored Ballistic Composite that Easton introduced last season with the Haven Carbon trail/freeride wheel 24.7-mm external and 19-mm internal rim width for optimal profile
  • 
Accommodates 2.3” wide tires
  • 
Available in 26” and 29” sizes
  • Hand-built and acoustically tuned at Easton’s EMX facility in Mexico 
  • Proprietary Easton hubs featuring a CNC-machined hub shell, a 7050 aluminum cassette body, and an oversized 7050 hollow axle with premium grade, double sealed bearings
  • 
Front wheel is available in 9x100mm (standard QR) or 15x100 (15QR) and convertible to either configuration through an axle swap
  • Rear wheel is convertible between 10x135mm (standard QR) to 12x135mm or 12x142mm

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