Nukeproof Reactor 290C ST Mountain Bike Off White
Nukeproof Reactor 290C ST Mountain Bike Off White Non Drive Side
Nukeproof Reactor 290C ST Mountain Bike Off White Front

Reactor ST Carbon Bike

108986377

Regular price $5,389.00 Sale price$3,999.00 Save $1,390.00
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Bike and frame supply has vastly improved since the pandemic, but pre-ordering is still essential for some models and sizes. Hope HB916 frames are made to order too, so we have updated our pandemic bike deposit policy to take the current situation into consideration.

Please note - we can only deliver complete bikes to UK Addresses.

The ETA's (estimated times of arrival) we quote are from the information provided by the manufacturers and distributors. These dates are not guaranteed, as the manufacturers are also at the mercy of component suppliers. We will tell you the same dates as the manufacturer tells us.

We only take deposits on bikes we have on order with suppliers and have confirmation that we are going to receive them. We want to make it clear that there might be issues outwith our control that will prevent us from supplying the bike you want. If that happens, we will do our best to provide an alternative.

Deposits are non-refundable, except for when an ETA date changes by a month or more. If it looks like the date might change, we will do our best to find you an alternative.

If a bike arrives earlier than expected, it will be offered to the person with the oldest outstanding deposit, then the second, and so on. We'll then offer the bike to anyone with a similar bike on order. We should point out that this is a rare occurrence!

Bikes and frames up to £3500 require a £500 deposit.
Bikes over £3500 require a £1000 deposit.

We ring-fence deposits in a separate bank account until the balance of the bike or frame is paid, then the bike or frame is delivered.

We've tried to be as honest and open about the situation as it stands and not make promises we know we are not in the position to fulfil! We have great relationships with our suppliers, and we will work with them and you to try to get you your bike as soon as possible.

If you've read this and have any questions or would like to place a deposit, please phone us on 01330 828562.

We offer free UK delivery on all bikes unless bought through a Ride To Work Scheme.

We don't currently deliver complete bikes outside the UK.

Custom-built bikes can be delivered in kit form (for you to assemble) - we can include shipping to your country in your quote.

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Sale price bikes bought though Cycle To Work schemes will have a handling fee added.

This information is intended as a guide only.

Cycle To Work is a Government Initiative to encourage cycling to work. The idea is that by cycling to work, you get fitter and healthier, and at the same time reduce congestion and improve air quality.

In simplest terms, your employer pays for the bike, and you hire it from them through salary deductions. At the end of the hire period, the employer can sell you the bike. (Until the bike is paid for, you hire it from your employer, so don't get fired).

Your employer might administer the scheme themselves, or use a third party like one of the following:

GoGeta
Vivup
Green Commute Initiative
Cycle Solutions
My Benefits World
Cyclescheme

If your employer doesn't offer Cycle To Work as a benefit, you can send them this employer information from the Government that outlines how it all works.

For more information, click here to contact us or call 01330 828562.

With the Reactor ST, a few spec changes and a slightly shorter shock push the Reactor a little more toward the Downcountry end of the trail bike spectrum. Less travel also means less weight, getting the size medium down below 13 kg excluding pedals.

The Reactor frame is crafted from hydroformed triple butted 6061 aluminium. To reduce unsprung mass, the seatstays on the Reactor are moulded from carbon fibre.

All Reactor frames feature a “flip chip” 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 6 mm and slackening the head angle by half a degree. It is there to maximize the descending capabilities.

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 in on any ride.

Specification

Frame Nukeproof Reactor 290 Alloy, 125 mm Travel, UD Woven Carbon Fibre Frame, Internal Cable Routing, ISCG-05 Mount, Enduro Bearings, Threaded 73 mm BB, Boost 148 mm Rear Axle Spacing, 3d Contoured Rubber Frame Protection
Front Suspension Fox 34 Float, Factory Series, Kashima, Grip 2 Damper, 130 mm, 44 mm Offset, BOOST, Black
Rear Suspension ox Float DPS, Factory Series, Kashima, 3 Position, EVOL LV, Custom CL, LRL tune, 210×47.5 mm, Bearing End 1x 0.2 Spacer fitted.
Front Wheel Reynolds TR309 XC Front 28h, 29", Center-Lock, 110×15 mm
Rear Wheel Reynolds TR289 XC Rear 28h, 29", Center-Lock, Shimano HG Driver, 148×12 mm
Front Tyre Maxxis Minion DHF 29”x2.3 3C MaxxTerra/EXO/TR
Rear Tyre Maxxis Aggressor 29”x2.3 MaxxTerra/EXO/TR
Derailleur Shimano SLX M7100, SGS 12-Speed, Shadow Plus
Shift Lever Shimano XT M8100-R, 12-speed Rapidfire Plus, I-Spec EV
Crankset Shimano XT M8100 12-Speed, Hollowtech 2, 170 mm, 30T, 52 mm Chainline
Bottom Bracket SRAM
Chain Shimano XT M8100 HG 12-speed Inc Quicklink
Cassette DTS 12Sp, 11-52t
Brake, Front Hayes Dominion A4, Sintered Pads, 180 mm Rotor
Brake, Rear Hayes Dominion A4, Sintered Pads, 180 mm Rotor
Handlebar Nukeproof Horizon Carbon V2 25 mm Rise, Width – M 780 mm, L 800 mm, XL 800 mm
Stem Nukeproof Horizon, 45 mm, Black
Grips Nukeproof Sam Hill Signature
Headset Nukeproof, 44-56 IITS
Seatpost Bikeyoke Divine Stealth with Triggy Remote lever, M:160 mm drop; L/XL:185 mm drop
Saddle Nukeproof Sam Hill Signature
Pedals -

Geometry & Sizing

Nukeproof Reactor 290 ST Geometry

130 mm Fork

Sizes in MM M L XL
A: Stack 608 614 618
B: Reach 460 488 521.6
C: Head Tube
Angle
66.8° (Low 66.3) 66.8° (Low 66.3) 66.8° (Low 66.3)
D: Head Tube
Length
105 110 115
E: Effective
Seat Tube Angle
76.3° (Low 75.8°) 76.3° (Low 75.8°) 76.3° (Low 75.8°)
F: Seat Tube
Length
420 458 508
G: Effective
Top Tube
608 638 673
H: BB Height 330 (Low 324) 330 (Low 324) 330 (Low 324)
I: BB Drop -39 (Low -45) -39 (Low -45) -39 (Low -45)
J: Chainstay Length 440 440 440
K: Wheelbase 1198 1228 1264
L: Standover - High 730 738 7763
M: Fork Offset 44 44 44
Seatpost Diameter 31.6 31.6 31.6
Handlebar Width 780 800 800
Stem Length 45 45 45
Max Seatpost Insertion 215 250 300
Size Rider Height
M 170 cm – 181 cm
L 180 cm – 191 cm
XL 190 cm – 201 cm

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