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Evil Undead Frame

Evil Undead Frame

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Product Details

Evil Undead Frame

Evil has been through thick and thin since they first released the Revolt four years ago. The Revolt was the brain child of Evil owner Kevin Walsh and suspension guru Dave Weagle. The two worked tirelessly to develop a downhill bike unlike anything the world had ever seen. With two incredibly successful seasons, it looked the Revolt was on track for total domination. Sadly, production on the frames moved over seas, and countless issues ensued. The massive Taiwanese manufacturer saw a small company, and took advantage. Frames were left untreated, misaligned, and even cracked, straight from the factory. Evil was too small as a company to pursue action with their manufacturer, and the bullying nearly put them out of business. Kevin's dream stayed alive though, and he stuck with it through the roughest of times. He knew big changes would need to be made. Seeing that everything was going carbon, Kevin stayed ahead of the curve and started designing a brand new bike. Through countless trips to Taiwan, he found a reputable carbon bicycle manufacturer that was up to the task. Two years later, we are now graced with one of the most stunning downhill bikes we've ever seen. Meet the Undead, Evil's newest wold-cup downhill weapon.

The Undead is based largely on the Revolt, sharing geometry, sizing, and suspension design. The Revolt was tough to beat, and nearly everyone that rode it agreed there was something special about that bike. It had that "X-Factor"...words couldn't describe why it rode so well. Simply put, the bike had character. Evil didn't want to lose this "X-Factor" with the Undead, but they did want to improve it. The decision to switch over to carbon was wise, dropping nearly three pounds off the Revolt. At just a hair over 10 pounds with shock, the Undead may not be the lightest carbon downhill bike out there, but they built it tough enough to take some serious abuse. One ride on the Undead confirmed that this bike is still truly special, and we believe it will continue the domination that the Revolt had once set out to achieve.

The Undead comes spec'd with a Fox DHX RC4 Kashima rear shock, tuned perfectly for the suspension characteristics of the bike. As with the Revolt, the Undead utilizes Dave Weagle's Delta System suspension design, providing 203mm of travel. Geometry is adjustable in two separate ways. Isolated head angle adjustments can be made using the provided adjustable headset inserts. There is also a flip-chip adjustment within the Delta System linkage that adjusts BB height and head angle. Specific geometry figures can be found in the chart below.

The Undead uses a unique splined ISCG '05 unit that seats onto the 83mm BB shell. It is fully removable from the frame, so it can be replaced at any time. This means you can use taco-style chainguides with no worries. If you manage to crack or bend your ISCG tab, you can simply pop it off and toss a new one on. This splined tab also allows you to fine tune chainguide alignment. Another useful detail is the integrated fork bumper/cable guide, mounted at the downtube/toptube junction. This eliminates the need for the rubber bumpers on your fork, and provides cable routing for your brakes/shifter.

Altough the Undead is built from some of the toughest carbon on the planet, it is still not immune to hard rock hits. Evil gave the frame plenty of extra protection where it counts. Rubber protectors are bolted onto the under-side of the downtube in two places - at the bottom where rock hits are common, and at the top to insure your frame is safe when it's hanging off the tailgate of your shuttle rig.

The Evil Undead frame comes with a Fox DHX RC4 Kashima rear shock, a custom angle-adjustable headset, and a bolt-on rear axle.


  • A: Seat Tube Length
  • B: Effective Top Tube
  • C: Reach
  • D: BB Height
  • E: BB Rise/Drop
  • F: Head Angle
  • G: Seat Angle
  • H: Standover Height
  • I: Chainstay Length
  • J: Headtube Length
  • K: Wheelbase
Show as Millimeters

Low Flip-Chip Setting

Size Seat Tube Theoretical Top Tube Reach BB Height BB Rise/Drop Head Angle Seat Angle Standover Chainstay HeadTube Wheelbase
S 15.35" 22" 14.29" 13.7" NA 62.9° 64° NA 17.2" 4.92" 44.94"
M 15.35" 22.8" 15.07" 13.7" NA 62.9° 64° NA 17.2" 4.92" 45.70"
L 15.35" 23.6" 15.86" 13.7" NA 62.9° 64° NA 17.2" 4.92" 46.31"
XL 15.35" 24.4" 16.45" 13.7" NA 62.9° 64° NA 17.2" 4.92" 47.10"

High Flip-Chip Setting

Size Seat Tube Theoretical Top Tube Reach BB Height BB Rise/Drop Head Angle Seat Angle Standover Chainstay HeadTube Wheelbase
S 15.35" 22" 14.29" 14.1" NA 64.5° 64° NA 17.32" 4.92" 45.64"
M 15.35" 22.8" 15.07" 14.1" NA 64.5° 64° NA 17.32" 4.92" 46.39"
L 15.35" 23.6" 15.86" 14.1" NA 64.5° 64° NA 17.32" 4.92" 47"
XL 15.35" 24.4" 16.45" 14.1" NA 64.5° 64° NA 17.32" 4.92" 47.8"


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  • Specifications close open

    Specification Description
    Frame Material Carbon
    Rear Susp. Travel 203mm/8"
    Seatpost Dia. 30.9mm
    Upper Headtube Dia. Evil Specific
    Lower Headtube Dia. Evil Specific
    BB Standard 83mm
    Dropout Standard 12x150mm
    Rear Shock Size 9.5"x3.0"
    ISCG Tabs I-'05
    Front Der. Mount N/A
    Intended Use DH
    Warranty 3 years

    * Subject to change without notice.

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