 | Recommended |
|---|
MSRP | $499 | |
|---|---|---|
Where to Buy | — $1 At | |
Category | Crosscountry | |
Weight | 32.0 lbs | |
| Aluminum | ||
Fork | Suntour XCE | |
Wheels | Aluminum | |
| 27.5″ | ||
Brakes | Mechanical Disc | |
Groupset | Tourney | |
Drivetrain | 3 × 7 | |
Suspension | Hardtail | |
Front Travel | 100mm | |
Brand Site | ||
Summary | The Jamis HELIX A2 is a 27.5″ aluminum frame hardtail crosscountry bike with mid-range components and mechanical disc brakes. | |
Based on frame geometry and build specs.
Frame | 6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger | |
|---|---|---|
Fork | SR Suntour XCE 28 DS 27.5”, coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 100mm travel | |
Bottom Bracket | Sealed cartridge | |
Headset | Zero-stack internal cup threadless, 15mm cone spacer | |
Stem | Jamis XC alloy threadless, 31.8 x 10˚ rise x 70mm (15/17”), 90mm (19”/21”) | |
Handlebar | Jamis XC alloy riser, 31.8 x 20mm rise x 720mm | |
Saddle | Jamis ATB Sport, SL cover, protective front and rear guards | |
Seatpost | Jamis alloy micro-adjust, 31.6 x 350mm (15”) 400mm (17”-21”) | |
Pedals | MTB platform, hi-impact resin | |
Grips | Kraton |
Rear Derailleur | Shimano TY300 | |
|---|---|---|
Front Derailleur | TY500 | |
Crank | Forged alloy, 42/34/24T | |
Shifters | Shimano EF41, 3x7-speed | |
Cassette | Shimano TZ500, 7-speed, 14-34T | |
Chain | KMC Z51, 7-speed | |
Brakes | Tektro M280 mechanical disc, 160mm rotors and Shimano levers |
Rims | Alex TD26 27.5” rims, 32H, alloy 6-bolt disc hubs, 14G nickel-plated spokes | |
|---|---|---|
Tires | CST Patrol, 27.5 x 2.25” |