Underground Bike Works Revival 27.5 trail hardtail

Famed frame maker John Parker is back with a limited edition offering

27.5 Cross Country Sea Otter Classic
Underground Bike Works Revival

Signature touches of this John Parker creation include loop stays and gussets.

For those unfamiliar John Parker founded Yeti Cycles back in 1985. Now he’s making a comeback in the cycling industry with Underground Bike Works. Employing the skills of longtime friend Frank the Welder for production, Parker was at the Sea Otter Classic to show off the new Revival. Press play to hear from the man himself.

The limited edition bike (250 in all) are made of 6061 aluminum and employ modern trail bike geometry. Part spec is the best of the best, says Parker. “We aren’t beholden to anybody so we hand picked parts based on performance and aesthetics, not the bottom line.”

Build Specifications
  • Frame: 6000 Series Aluminum, with forged loop stays, BB and seat cluster yokes
  • Fork: RockShox Pike RCT3, 130mm travel, 46mm offset, Boost, 1.5″ Taper
  • Rear Derailleur: SRAM XX1 Eagle, 12sp
  • Shifter: SRAM XX1 Eagle 12sp Trigger
  • Crankset: SRAM XX1 Eagle, Boost, 32t, Sm = 170mm; Med/L, XL = 175mm
  • Cassette: SRAM XG-1295 12sp, 10/50, Black
  • Chain: SRAM XX1 12sp, Black
  • Bottom Bracket: SRAM GXP, 73mm, English Threaded
  • Brakes (front): Magura MT Trail Carbon, 4-piston caliper, Storm SL.2, 6-bolt, 180mm rotors
  • Brakes (back): Magura MT Trail Carbon, 2-piston caliper, Storm SL.2, 6-bolt, 180mm rotors
  • Headset: Cane Creek 110
  • Bars: Race Face Next 35 Carbon, 20mm rise, 760mm width
  • Stem: Race Face Turbine R 35, 50mm length
  • Grips: ODI Rogue clamp on
  • Seat: Deity Speedtrap, Stealth Black
  • Seat Post: Fox Transfer 30.9mm, Sm/Med = 100mm travel; Lg/XL = 125mm travel
  • Seat Post Clamp: DKG Mountain Clamp, 35mm
  • Wheelset: Industry Nine Torch hubs w/ Direct Pull Hub & Spoke Chassis, 27.5″ HED Raptor Carbon, 40mm Internal Width, Custom UBW graphics
  • Tires (front/back): Schwalbe Nobby Nic Evolution, Kevlar folding, 27.5″ x 2.8″
  • Tubeless Ready: HED TL ready conversion Valves/Tape (Ships with Schwalbe Presta inner tubes installed)
  • Price: $6950
Underground Bike Works Revival

“I’ll always be passionate about creating things that are beautiful and functional.”- John Parker

Geometry
Geometry

All dimensions are in millimeters and are center to center (except seat tube length, which is center to top) * unsprung ** 50.8 mm in front of BB

For more information, visit undergroundbikeworks.com. This article is part of Mtbr’s coverage of the 2018 Sea Otter Classic in Monterey, California. For more from Sea Otter CLICK HERE.

Photo Thumbnails (click to enlarge)

About the author: Jordan Villella

Jordan comes from the steep streets of Pittsburgh PA, where he learned to dodge cars and rip single track. He has been involved in nearly every aspect of the cycling industry: from turning wrenches, store design, clothing production and bike park creation. Jordan spends his free time racing cross country and cyclocross around North America, though he has been know to enduro every now and then. His love of cycling is only second to his love of his family and punk rock.


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  • Sasha Kandakov says:

    Reading the specs and frame geometry numbers of the bike put together by a legend is like reading a poem. There’s a deep meaning behind every decision =)

    • LanceLegStrong says:

      yea, deep…Looks like ole John pounded a lot of lagers on this by the looks of that gut.

      $7k for an Aluminum framed bike? Sounds like a nice profit margin for John and “deep meaning”.

  • Scott Crabill says:

    Great looking bike FTW! Great to see OG legends still making great stuff.

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