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Crosscountry/backcountry/upcountry/downcountry:However, you define it,the Reactor ST does it alland everything in between. It just might be the mostversatile bike Nukeproof has ever made.With a130mm fork combined with 125mm of rear suspension,the Reactor STcombines the best of anendurobike (long, low and slack) with the best of an XC Race bike (lightweight spec and efficient suspension)to create asprightly yetseriouslycapable machine.
Crosscountry/backcountry/upcountry/downcountry:However, you define it,the Reactor ST does it alland everything in between. It just might be the mostversatile bike Nukeproof has ever made.With a130mm fork combined with 125mm of rear suspension,the Reactor STcombines the best of anendurobike (long, low and slack) with the best of an XC Race bike (lightweight spec and efficient suspension)to create asprightly yetseriouslycapable machine.
Nukeproof

Nukeproof Reactor 290c ST Factory - 2021 - Depressed Aubergine

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Nukeproof Reactor 290c ST Factory - 2021 - Depressed Aubergine

Season:2021

Brand:Nukeproof

Code:MY21-ReactorST

Crosscountry/backcountry/upcountry/downcountry:However, you define it,the Reactor ST does it alland everything in between. It just might be the mostversatile bike Nukeproof has ever made.

With a130mm fork combined with 125mm of rear suspension,the Reactor STcombines the best of anendurobike (long, low and slack) with the best of an XC Race bike (lightweight spec and efficient suspension)to create asprightly yetseriouslycapable machine.

Frame Construction:

To optimise the weight, strength and stiffness, the Reactor290 STCarbon frame features a full UD woven carbon fibre frameset (Including chain and seat stays).

Adjustable Geometry:

TheReactorSTfeatures a 66.8° (66.3° Low)Headangleatop a 76.3° (75.8° Low) seat angleacross a 460mm reach on a Medium frame. Nukeproof also offers the frame in Large and X-Large sizes.TheReactor STframes featurethe same“flip chip”designas the regular Reactor frameto 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 ReactorSTinto amore aggressive machine, dropping the bottom bracket 6mm and slackening the head angle by half a degree. It is there to maximise the descending capabilities.

Suspension Design:

To ensure the bike could climb as well as it descends, we designed the4 barhorst 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 ReactorSTsome squat when braking hard, maintaining rider position and providing a good amount of pressure through the tyre to ensure traction. The ReactorSTis designed to reward the rider and ensure you get that stoke factor in on any ride.

Technical Information
FrameNukeproof Reactor 290 Carbon, 125mm Travel, UD woven Carbon Fibre front triangle/chain stays/seat stays, internal cable routing, custom tuned rear shock, Enduro bearings, threaded bottom bracket, boost 148mm rear axle spacing, 3D contoured frame protection
ForkFox 34 Float, Factory Series, Kashima, Grip 2 Damper, 130mm, 44mm Offset, BOOST, Black (SHORT ID: D6GS)
ShockFox 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)
Front WheelDT Swiss M1700 SPLINE 30,29", 6 bolt, 110x15mm
Rear WheelDT Swiss M1700 SPLINE 30, 29", 6 bolt, Shimano Microspline Driver, 148x12mm
TyresFront: Maxxis Minion DHF 29”x2.3 3C MaxxTerra/EXO/TR, Rear: Maxxis Agressor 29”x2.3 MaxxTerra/EXO/TR
CranksetShimano XT M8100 12-Speed, Hollowtech 2, 170mm, 30T, 52mm Chainline
ShifterShimano XT M8100-R, 12-speed Rapidfire Plus, I-Spec EV
Rear DeraileurShimano XT M8100, SGS 12-Speed, Shadow Plus
CassetteShimano XT M8100-12, 12-Speed (HYPERGLIDE+), 10-51T
BrakesShimano XT M8100, 2 Pot Brake, Metallic Pads
RotorsShimano SM-RT76, 180mm (Front), 180mm (Rear)
HandlebarsNukeproof Horizon v2 25mm Rise, Width - S780mm, M780mm, L800mm, XL800mm)
StemNukeproof Horizon, 50mm, Black
GripsNukeproof Sam Hill Signature
SaddleNukeproof Horizon SL
SeatpostBikeyoke Divine Stealth w Shimano SL-MT500-IL Remote lever, M/L:160mm drop; XL:185mm drop
HeadsetNukeproof, 44-56 IITS
Weight13.2Kgs/29lbs (Tubeless)

Geometry

KEYSmallMediumLargeExtra Large
Seat TubeN/A420/16.5"456/18"509/20"
Effective Top TubeN/A608614618
Head AngleN/A66.8 (Rail 66.3)66.8 (Rail 66.3)66.8 (Rail 66.3)
Head TubeN/A105110115
Effective Seat Tube AngleN/A76.3 (Rail 75.8)76.3 (Rail 75.8)76.3 (Rail 75.8)
WheelbaseN/A119812281264
Chain StayN/A440440440
Bottom Bracket DropN/A-39 (Rail: -45)-39 (Rail: -45)-39 (Rail: -45)
ReachN/A460488521.6
Fork TravelN/A140140140
Fork OffsetN/A444444
Axle to CrownN/A537537537
StackN/A608614618
Sizing Information
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