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Nukeproof Reactor 290 Carbon ST Factory XT 2021 Komplettbike 29"

Vorher 5 899,00 €

-700,00 €

5 199,00 € inkl. MwSt.

Reduzierter Preis!
  • M
  • L
  • XL

Nukeproof Reactor 290 ST Factory Carbon Bike (XT)

Set up for taking on all day rides, this limited edition shorter travel option of the Reactor 290 carbon is designed to offer a more efficient and comfortable ride. With 130mm travel up front and 125mm at the rear, it climbs quickly yet still soaks up the worst that the trail has to throw at you. The light and tough full carbon frame is backed up by smooth performing Fox Factory suspension and slick-shifting Shimano XT 1x12-speed gears.

Limited Edition Short Travel 29er Trail Bike

Crosscountry/backcountry/upcountry/downcountry: However you define it, the Reactor ST does it all and everything in between. It just might be the most versatile bike Nukeproof has ever made. With a 130mm fork combined with 125mm of rear suspension, the Reactor ST combines the best of an enduro bike (long, low and slack) with the best of an XC Race bike (lightweight spec and efficient suspension) to create a sprightly yet seriously capable machine.

Frame Construction:

From concept through to design, the Kinematics, the geometry and specification; the Reactor is designed from the ground up to be the ultimate aggressive trail bike. It is at home on technical climbs, but happiest when thrashing the most technical trails you can point it at. To optimise the weight, strength and stiffness, the Reactor Carbon frame features a full UD woven carbon fibre frameset (Including chain and seat stays). It is available for 27.5” or 29” wheel sizes. These are two totally different, compromise-free frames that were designed and developed at the same time. Each frame is simply tailored around each wheel size.

Speed or play: which do you value more? The manoeuvrability of 27.5” or the raw speed of a 29”?

Adjustable Geometry

The Reactor ST features a 66.8° (66.3° Low) Headangle atop a 76.3° (75.8° Low) seat angle across a 460mm reach on a Medium frame. Nukeproof also offers the frame in Large and X-Large sizes. The Reactor ST frames feature the same “flip chip” design as the regular Reactor frame to adjust the geometry from “Trail” to “Rail mode”.

Trail – As the name suggests, this setting is best suited for trail riding. It is for riders who get as much enjoyment from the climb as the descents.

Rail - The Rail setting turns the Reactor into a corner shredder, dropping the bottom bracket 6mm and slackening the head angle by half a degree. It is there to maximise descending capabilities.

Suspension Design

To ensure the bike could climb as well as it descends, Nukeproof designed the 4 bar horst linkage to have higher levels of anti-squat for climbing gears but lower levels when you drop down the cassette. This means that the bike can behave itself on the climbs but when you get it up to speed, it turns into a trail hooligan. The combination of low anti-squat and progressive rate give ultimate small bump compliance (removes rough trail and root chatter) with good mid stroke support for cornering/pumping and end stroke progression for aggressive riding. Balanced anti-rise figures allow the Reactor some squat when braking hard, maintaining rider position and providing a good amount of pressure through the tyre to ensure traction. The Reactor is designed to reward the rider and ensure you get that stoke factor on any ride.


  • Frame: Nukeproof Reactor 275 Carbon, 140mm Travel, UD woven Carbon Fibre frame, internal cable routing, ISCG 05 mounts, Enduro bearings, Threaded 73mm BB, Boost 148mm rear axle spacing, 3D contoured rubber frame protection
  • Fork: Fox 34 Float, Factory Series, Kashima, Grip 2 Damper, 130mm, 44mm Offset, BOOST, Black (SHORT ID: D6GS)
  • Shock: Fox Float DPS, Factory Series, Kashima, 3 Position, EVOL LV, Custom LCL, LRL, CMF tune, 210x47.5mm, Bearing End 1x 0.2 Spacer fitted. (SHORT ID: D6S5)
  • Headset: Nukeproof, 44-56 IITS
  • Stem: Nukeproof Horizon, 50mm, Black
  • Handlebars: Nukeproof Horizon Carbon V2, 25mm Rise, Width: S: 780mm; M: 780mm; L: 800mm; XL: 800mm
  • Grips: Nukeproof Sam Hill Signature
  • Shifter: Shimano XT M8100-R, 12-speed Rapidfire Plus, I-Spec EV
  • Crankset: Shimano XT M8100 12-Speed, Hollowtech 2, 170mm, 32T, 52mm Chainline
  • Chain: Shimano XT M8100 HG 12-speed Inc Quicklink
  • Cassette: Shimano XT M8100-12, 12-Speed (HYPERGLIDE+), 10-51T
  • Rear Derailleur: Shimano XT M8100, SGS 12-Speed, Shadow Plus
  • Brakes: Shimano XT M8120, 4 Pot Brake, Metallic Pads with Fins
  • Front Rotor: Shimano SM-RT76, 203mm
  • Rear Rotor: Shimano SM-RT76, 180mm
  • Front Wheel: DT Swiss XR1700 SPLINE 25,29", 6 Bolt, 110x15mm
  • Rear Wheel: DT Swiss XR1700 SPLINE 25, 29", 6 Bolt, Shimano Microspline Driver, 148x12mm
  • Tyres: Front: Maxxis Minion DHF 29”x2.3 3C MaxxTerra/EXO/TR; Rear: Maxxis Agressor 29”x2.3 MaxxTerra/EXO/TR
  • Seatpost: Bikeyoke Divine Stealth with Shimano SL-MT500-IL Remote lever, S: 125mm drop; M/L: 160mm drop; XL: 185mm drop
  • Weight: 13.2 kg / 29lbs (Tubeless)


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Nukeproof Reactor 290 Carbon ST Factory XT 2021 Komplettbike 29"

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