2018 Jamis HELIX

Modest component level aluminum frame trail bike


2018 Jamis HELIX
  • MSRP $449
  • Suspension Hardtail
  • Front Travel 100mm
  • Frame Aluminum
  • Fork 
  • Wheels 27.5″
  • Groupset 
    Shimano Tourney
  • Brakes Mechanical Disc

Estimated Spec Level
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This bike
Other trail bikes

Estimated spec level of the HELIX compared to other trail bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.  Learn more »

Frame6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger
ForkSR Suntour XCT 27.5", coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 100mm travel
HeadsetZero-stack internal cup threadless, 15mm cone spacer
StemJamis XC alloy threadless, 31.8 x 10˚ rise x 70mm (14”/16"), 90mm (18")
HandlebarJamis XC riser, 25.4 x 20mm rise x 620mm
SaddleJamis MTB Sport Women's, SL cover, protective front and rear guards
SeatpostJamis alloy micro-adjust, 31.6 x 350mm (14") 400mm (16"/18")
PedalsMTB platform, hi-impact resin
Front DerailleurTY500
Rear DerailleurShimano TY300
ShiftersShimano EF41, 3x7-speed
CassetteShimano TZ31, 7-speed, 14-34T
ChainKMC Z51, 7-speed
BrakesTektro M280 mechanical disc, 160mm rotors and Shimano levers
RimsAlex TD26 27.5" rims, 32H, alloy 6-bolt disc hubs, 14G nickel-plated spokes
TiresCST Patrol, 27.5 x 2.25”

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2018 Jamis HELIX