27.5 SPORT HARDTAIL | Designed for Women

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Manufacturer’s Suggested Retail Price excludes shipping costs, dealer assembly/prep, taxes or import duties.

Jamis Helix A1 Angle Slate
Jamis Helix A1 Slate
Jamis Bullseye

FRAME MATERIALS

Lightweight and strong 6061 series aluminum tubing, featuring over-sized & tapered tubing for increased frame stiffness.

Jamis Bullseye

ZERO STACK INTERNAL HEADSET

A Zero Stack internal headset places both the cups and bearings inside the head tube instead of outside. This reduces the total stack height (including the head tube), which is beneficial on larger wheeled bikes. The larger diameter head tube also provides a larger weld interface at the critical head/top/down tube junction.

Jamis Bullseye

PEDALING PLATFORM

The aluminum frame of the Trail X and Helix is beefed up to include a larger 34.9mm seat tube, which allows us to spec an over-sized 31.6mm seat post. The larger diameter post flexes less, providing a firmer pedaling platform.

Jamis Bullseye

TOP TUBE CABLE ROUTING

Running the cables up under the top tube keeps cables and housing out of the muck for more precise and reliable shifting performance.

Jamis Bullseye

DISC-SPECIFIC RIMS

Disc hubs twist during braking. This twisting increases “pull” load on the nipples in the spoke bed. The Alex TD26 spoke bed on the rims specified on all Trail X models are cleverly reinforced to resist disc brake torque and prevent spokes & nipples from shearing.

Jamis Bullseye

REPLACEABLE DERAILLEUR HANGER

Because it’s much easier and much less expensive to replace a derailleur hanger than it is to repair or replace a frame, every Trail X and Helix frame offers a replaceable derailleur hanger designed to yield in a crash before the frame does.

READY FOR THE TRAIL

Building great recreational-level bikes that ride much like our high-end bikes is a passion at Jamis. No bikes showcase our commitment to do just that better than these. The Helix chassis emphasizes all-day performance with quick, but not overly twitchy handling attributes. Make no mistake though, if you want to throw down they’re more than able to keep up.

Jamis Helix A1 Slate
Slate
Jamis Helix A1 Ano Black
Ano Black

HELIX A1

MSRP: $729.95

BUILT TO LAST

Because it’s much easier and much less expensive to replace a derailleur hanger than it is to repair or replace a frame, every Helix frame offers a replaceable derailleur hanger designed to yield in a crash before the frame does.

Jamis Helix A2 Charcoal
Charcoal
Jamis Helix A2 Flat Vanilla Mint
Vanilla Mint

HELIX A2

MSRP: $629.95

HELIXA1A2
Frame6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger
ForkSR Suntour XCT 30 HLO 27.5”, coil spring, hydraulic speed lock out adjust, external preload adjustor, 30mm stanchions, aluminum lowers, 100mm travelSR Suntour XCE 28 DS 27.5”, coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 100mm travel
HeadsetZero-stack internal cup, 8mm cone spacerZero-stack internal cup, 8mm cone spacer
WheelsAlex TD26 27.5” rims, 32H, alloy disc hubs, 14G nickel- plated spokesAlex TD26 27.5” rims, 32H, alloy disc hubs, 14G nickel- plated spokes
TiresCST Patrol, 27.5 x 2.25”CST Patrol, 27.5 x 2.25”
DerailleursmicroSHIFT Advent M6195M 9-speedShimano Tourney rear and Altus front
Shift leversmicroSHIFT Advent M8195, 1×9-speedShimano EF505, 2×8-speed
ChainKMC X9, 9-speedKMC Z8.3, 8-speed
CassettemicroSHIFT H093, 9-speed, 11-42TShimano HG31, 8-speed, 11-32T
CranksetForged Alloy, 32TForged Alloy, 36/22T
BB SetSealed cartridgeSealed cartridge
PedalsMTB platform, hi-impact resinMTB platform, hi-impact resin
BrakesetShimano MT200 hydraulic disc, Shimano RT26 160mm rotorsShimano MT200 hydraulic disc, Shimano RT26 160mm rotors
HandlebarJamis XC alloy riser, 31.8 x 20mm rise x 680mmJamis XC alloy riser, 31.8 x 20mm rise x 680mm
StemJamis XC alloy threadless, 31.8 x 10 ̊ rise x 75mm (14”/16”), 90mm (18”)Jamis XC alloy threadless, 31.8 x 10 ̊ rise x 75mm (14”/16”), 90mm (18”)
GripsKratonKraton
Seat PostJamis alloy micro-adjust, 31.6 x 350mm (14”) 400mm (16”/18”)Jamis alloy micro-adjust, 31.6 x 350mm (14”) 400mm (16”/18”)
SaddleJamis ATB Sport Women’sJamis ATB Sport Women’s
Sizes14”, 16”, 18”14”, 16”, 18”
ColorAno Black or SlateVanilla Mint or Charcoal
Weight31.25 lbs32 lbs

Jamis® Hardtail Geometry Diagram

MODELSIZETT EFFECTIVEHT ANGLEST ANGLECHAINSTAYWHEELBASEBB DROPHEADTUBESTANDOVER
A1, A214″21.2 / 54070°72.5°17.1 / 43541 / 10291.8 / 464.1 / 10526.3 / 668
A1, A216″22.1 / 56070°72.5°17.1 / 43541 / 10501.8 / 464.3 / 11027.7 / 704
A1, A218″22.9 / 58070°72.5°17.1 / 43542 / 10701.8 / 464.7 / 12028.9 / 731