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The CS-X

The quintessential hardtail. Not to mention a case study in the incremental evolution of offroad racing design. Premiered in 1990, our CS-X has been continuously re-worked by Kestrel engineers, centimeter by painstaking centimeter. Which may be why the CS-X has been a nonstop mainstay on the Pro/Am circuit all these years...and why our 2000 edition is still one of the lightest, toughest, most out-of-the-box raceable frames on the market. Not to mention why it's one of the very few frames in its weight class still covered by Lifetime and No-Fault Replacement Warranties. One of our competitors even calls the CS-X "the best-kept secret in the industry." Here's your chance to find out why. 3.5-pound one-piece frame with Red Fade-to-Weave, Blue Fade-to-Weave or Black finish; Available as frameset or complete bike. Disc-brake ready.

Actual unsolicited CS-X owner comments, courtesy of

  • "Oh my God! There aren't enough adjectives in the English language to fully describe how great this bike rides."
  • "It surpasses every review I've ever read."
  • "Sorry about the rating but 5 stars is as high as they'd let me go. This is the best bike, ever."
  • "Rides like a rocket, meant to be ridden fast as hell without regard to safety or bodily harm."
  • "One ride on this baby and you'll be asking yourself: 'did this bike descend from heaven?'"
  • "I have never ridden a bike that has ever felt so good."
  • "It looks awesome and does everything just a little better than the competition."
  • "This is my last mountain bike. I have arrived!"


Seat Tube 17" 19" 21"
Standover 28.9 29.5 31.5
Top Tube 23.0 23.25 23.5
Head Angle 70.5 70.5 71.5
Seat Angle 73.25 73.0 73.0
B/B Height 12.4" 12.5" 11.7
Chainstay 16.75 16.75 16.9
Fork Rake 1.64 1.64 1.74
Trail 2.9 2.9 2.6
Front Center 25.3 25.7 25.5
Wheelbase 42.0 42.4 42.3
Brake Mount Disc or Linear-Pull
Bottom Bracket 68mm, English Threaded
Seat Post Diameter 27.2mm
Front Derailleur 1-1/8" Bottom Pull, Top or Bottom Swing or E-Style
Fork 1-1/8", threadless


  Shimano XT Avid Brakes / Fox Float Fork
  *Available through Authorized Kestrel Dealers.


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Kestrel Bicycles | 5300 Soquel Avenue, Suite 101 | Santa Cruz, CA 95062 USA
phone: 831-464-9079 | fax: 831-464-9069 | email us