MSRP | $799 | $999 |
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Where to Buy | — $1 At | — $1 At |
Category | Trail | Trail |
Weight | 32.3 lbs | 30.0 lbs |
Aluminum | Aluminum | |
Fork | Suntour XCM (coil) | Suntour XCR Air (air) |
Wheels | Aluminum | Aluminum |
27.5″ | 27.5″ | |
Brakes | Hydraulic Disc | Hydraulic Disc |
Groupset | Acera, Alivio | Deore, Suntour |
Drivetrain | 2 × 9 | 1 × 10 |
Suspension | Hardtail | Hardtail |
Front Travel | 120mm | 120mm |
Brand Site | ||
Summary | The Jamis HIJACK A2 and Jamis HIJACK A1 are both 27.5″ aluminum frame hardtail trail bikes. The HIJACK A2 has a 2 × 9 drivetrain providing a wider range of gears, while the HIJACK A1 has better components and a better fork. |
Based on frame geometry and build specs.
Frame | 6061 triple-butted aluminum main tubes, 1.5 - 1 1/8” tapered head tube, over-sized stays, replaceable derailleur hanger | 6061 triple-butted aluminum main tubes, 1.5 - 1 1/8” tapered head tube, over-sized stays, replaceable derailleur hanger |
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Fork | SR Suntour XCM 32 HLO 27.5”, coil spring, hydraulic speed lock out adjust, external preload adjustor, 32mm stanchions, aluminum lowers, 15x110mm axle, 120mm travel Travel: 120mm Spring Type: Air | SR Suntour XCR 34 LOR 27.5”, air spring, external rebound, hydraulic speed lockout adjust, 34mm stanchions, magnesium lowers, 15x110mm axle, 120mm travel Travel: 120mm Spring Type: Air |
Bottom Bracket | Sealed cartridge | SR Suntour External |
Headset | Zero-stack internal cup threadless, 15mm cone spacer | Zero-stack internal cup threadless, 15mm cone spacer |
Stem | Jamis XC alloy threadless, 31.8 x 60mm | Jamis XC alloy threadless, 31.8 x 60mm |
Handlebar | Jamis XC alloy riser, 31.8 x 20mm rise x 740mm | Jamis XC alloy riser, 31.8 x 20mm rise x 740mm |
Saddle | Jamis ATB Sport, SL cover, protective front and rear guards | Jamis ATB Sport, SL cover, protective front and rear guards |
Seatpost | Jamis alloy micro-adjust, 31.6 x 400mm | Jamis alloy micro-adjust, 31.6 x 400mm |
Pedals | MTB platform, hi-impact resin | MTB platform, hi-impact resin |
Grips | Kraton | Kraton |
Rear Derailleur | Shimano Acera | Shimano Deore Shadow Plus rear, 10-speed/td> |
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Front Derailleur | Alivio | |
Crank | SR Suntour XCM, 38/24T | SR Suntour Zeron, 32T |
Shifters | Shimano Acera, 2x9-speed/td> | Shimano Deore, 10-speed/td> |
Cassette | Shimano HG201, 9-speed, 11-36T | Shimano HG500, 10-speed, 11-42T |
Chain | KMC X9, 9-speed | KMC X10, 10-speed |
Brakes | Tektro M275 hydraulic disc, 160mm rotors | Tektro M275 hydraulic disc, 160mm rotors |
Rims | WTB STX i23 TCS tubeless 27.5” rims, 32H, alloy 6-bolt disc hubs, 14G nickel-plated spokes | WTB STX i23 TCS tubeless 27.5” rims, 32H, alloy 6-bolt disc hubs, 14G nickel-plated spokes |
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Tires | WTB Trailboss, 27.5 x 2.25” | WTB Trailboss, 27.5 x 2.25” |