Nukeproof Reactor 290 Factory Carbon 29" Mountain Bike 2021 - Trail Full Suspension MTB

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Product Description

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”?

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 6mm and slackening the head angle by half a degree. It is there to maximise the descending capabilities.

To ensure the bike could climb as well as it descends, we 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.

Occasionally, without notice, manufacturers change product design and/or specifications.

Specification

Frame:Nukeproof Reactor 290 Carbon, 130mm Travel, UD woven Carbon Fibre frame, internal cable routing, ISCG 05 mounts, Enduro bearings, Threaded 73mm BB, Boost 148mm rear axle spacing
Fork:Fox 36 Float, Factory Series, Kashima, Grip 2 Damper, 140mm, 44mm Offset, BOOST, Black (SHORT ID: D6GD)
Rear Shock:Fox Float DPX2, Factory Series, Kashima, 3 Position, EVOL LV, Custom CL, DRL, Rezi A F F tune, 210x50mm, Bearing End, 1x 0.3 spacer fitted. (SHORT ID: D6S9)
Headset:Nukeproof, 44-56 IITS
Stem:Nukeproof Horizon, 50mm, Black
Bars:Nukeproof Horizon V2 25mm Rise, Width - M780mm, L800mm, XL800mm)
Front Brake:Shimano XT M8120, 4 Pot Brake, Metallic Pads with Fins, Shimano SM-RT76, 203mm
Rear Brake:Shimano XT M8120, 4 Pot Brake, Metallic Pads with Fins, Shimano SM-RT76, 180mm
Rear Mech:Shimano XT M8100, SGS 12-Speed, Shadow Plus
Shifters:Shimano XT M8100-R, 12-speed Rapidfire Plus, I-Spec EV
Rims:DT Swiss XM1700 SPLINE 30,29
Front Hub:6 Bolt, 110x15mm
Rear Hub:6 Bolt, Shimano Microspline Driver, 148x12mm
Front Tyre:Maxxis Assegai 29”x2.5 WT 3C MaxxTerra/EXO+/TR
Rear Tyre:Maxxis Dissector 29”x2.4 WT 3C MaxxTerra/EXO+/TR
Seat Post:Bikeyoke Divine Stealth w Shimano SL-MT500-IL Remote lever, M/L:160mm drop; XL:185mm drop
Saddle:Nukeproof Horizon SL, Black
Chainset:Shimano XT M8100 12-Speed, Hollowtech 2, 170mm, 30T, 52mm Chainline
Chain:Shimano XT M8100 HG 12-speed Inc Quicklink
Cassette:Shimano XT M8100-12, 12-Speed (HYPERGLIDE+), 10-51T
Pedals:Resin Platform
Weight:14.2Kgs

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Reactor 290 Geometry

Nukeproof Logo

Nukeproof Reactor 290 2021 Size Chart

Size

Height (cm)

Height (Inches)

M

170 - 181

5’7” – 5’11”

L

180 - 191

5’11” – 6’3”

XL

190 - 201

6’3” – 6’7”

 

Nukeproof Reactor 290 Alloy 2021 Geometry

 

 

Size

REACTOR 290 

REACTOR 290C RS

REACTOR 290C ST

M

L

XL

M

L

XL

M

L

XL

Reach mm

451

480

514

446.3

475.4

509.5

460

488

521.6

Stack mm

615

620

625

618.4

623.5

628.7

608

614

618

Effective Top Tube Length mm

610

640

675

611.4

641.2

676.3

608

638

673

Seat tube Length mm

420

458

508

420

458

508

420

458

508

Effective Seat tube Angle

75.5°
(Low 75°)

75.5°
(Low 75°)

75.5°
(Low 75°)

75.1°
(Low 74.6°)

75.1°
(Low 74.6°)

75.1°
(Low 74.6°)

76.3°
(Low 75.8°)

76.3°
(Low 75.8°)

76.3°
(Low 75.8°)

Seat tube Angle (Actual)

71°
(Low 70.5°)

71°
(Low 70.5°)

71°
(Low 70.5°)

70.6°
(Low 70.1°)

70.6°
(Low 70.1°)

70.6°
(Low 70.1°)

71.8°
(Low 71.3°)

71.8°
(Low 71.3°)

71.8°
(Low 71.3°)

Saddle Height At Saddle Offset mm

-

-

-

-

-

-

-

-

-

Saddle Offset At Saddle Height mm

-

-

-

-

-

-

-

-

-

Headtube Length mm

105

110

115

105

110

115

105

110

115

Headtube Angle mm

66°
(Low 65.5)

66°
(Low 65.5)

66°
(Low 65.5)

65.5°
(Low 65)

65.5°
(Low 65)

65.5°
(Low 65)

66.8°
(Low 66.3)

66.8°
(Low 66.3)

66.8°
(Low 66.3)

Chainstay Length mm

440

440

440

440

440

440

440

440

440

Front Centre mm

762.5

792

830

766.5

796

834

755.5

785

823

Wheelbase mm

1205

1235

1271

1209

1239.1

1275.1

1198

1228

1264

Bottom Bracket Drop mm

-33
(Low -39)

-33
(Low -39)

-33
(Low -39)

-30
(Low -36)

-30
(Low -36)

-30
(Low -36)

-39
(Low -45)

-39
(Low -45)

-39
(Low -45)

Bottom Bracket Height mm

336
(Low 330)

336
(Low 330)

336
(Low 330)

336
(Low 330)

336
(Low 330)

336
(Low 330)

330
(Low 324)

330
(Low 324)

330
(Low 324)

Stand Over Height mm

736 (High)

744 (High)

769 (High)

739 (High)

747 (High)

772 (High)

730 (High)

738 (High)

763 (High)

Fork Travel mm

140

140

140

150

150

150

130

130

130

Trail mm

-

-

-

-

-

-

-

-

-

Fork Offset mm

44

44

44

44

44

44

44

44

44

Axle To Crown mm

554

554

554

564

564

564

537

537

537

Maximum Seatpost Insert mm

215

250

300

215

250

300

215

250

300

 
What size frame do I need if I am between sizes? - read here

Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!

Full Sus MTB Guide

 

Is a full-suspension mountain bike right for me?

If you’re new to the world of cycling, we highly recommend taking a look at our bike buying guide overview or our mountain bike buying guide to help you decide what type of bike is right for your needs.

When you’re choosing a full suspension mountain bike, there are a few things to look out for which can help you to work out the quality and performance you can expect from a particular model.


Suspension travel & usage

Depending on the type of mountain bike riding you’ll be doing, you may want to have longer or shorter suspension travel on your bike:

Travel

Usage

Pros

Cons

Up to 120mm

XC

Lightweight & efficient pedalling for long-distance rides

Short travel is less capable on rough & demanding trails with large jumps & drops

120 – 150mm

Trail

Lightweight, balance of climb-friendly efficiency & rough-descent capability

More weight than a shorter travel bike & less efficient climbing. Less capable on descents than a longer travel bike

150-180mm

Enduro

Capable of covering difficult & technical downhill sections. Wide enough gear range for climbing

Heavier & significantly less efficient at climbing compared to shorter travel bikes

180mm +

Downhill

Designed for highly technical & high-speed descents, with big drops and large jumps

Heavy, and inefficient at climbing. Limited gear range means most climbs will require pushing the bike

 

 


Frame material

Full-suspension MTB frames are mostly made from either aluminium or carbon fibre, with each material having its own benefits & drawbacks.

Aluminium

Aluminium is lightweight, stiff, strong, and easy to manufacture. Manufacturers often develop their own aluminium alloys, such as ALUXX by Giant. Aluminium is found on a wide range of bikes, from entry-level & enthusiast bikes, right the way up to top-spec racing bikes.

Carbon

Carbon fibre is lighter, stiffer, stronger, and more expensive than aluminium. The most affordable carbon bikes typically use medium strength carbon fibres, while the most expensive bikes use stronger ‘high modulus’ carbon. Carbon fibre frames are found on enthusiast-level bikes, right up to high-performance bikes designed for racing.


Groupset & drivetrain

Mountain bike groupset components are typically supplied by either Shimano or SRAM, with additional manufacturers like Formula, Hope, Magura, Tektro and TRP supplying brake systems. Shimano & SRAM both produce a range of groupsets to suit different budgets. The hierarchy table here compares the different Shimano & SRAM groupsets to determine which bikes offer the best performance.

A bike’s groupset, or drivetrain, is where the biggest difference in component quality is seen. A complete groupset comprises of the following parts:

  • Chainset (aka Crankset)
  • Bottom bracket
  • Brakes
  • Brake levers
  • Shifters
  • Front & rear derailleur
  • Chain
  • Cassette
 Shimano LogoSRAM Logo
Professional
11
XTR Di2
12
XX1 AXS Eagle
AXS Eagle

12
X01 AXS Eagle
AXS Eagle
 
12
XTR
11
XX1

11
X01
 
11
XT Di2
 
Enthusiast
12
XT
 
11
SLX
10
GX
 
10
Deore
11
NX
Entry
9
Alivio
12
SX Eagle
Eagle
 
9
Acera
9-10
X9
 
9
Altus
9-10
X7
 
7
Tourney
7-10
X5

 

 


Wheel size

You’ve probably noticed that a lot of mountain bikes come in a choice of wheel size, mainly a 27.5 inch wheel (also known as a 650B wheel) or a 29inch wheel (known as a 29er). Although there are still bikes which use 26 inch wheels, these are gradually being phased out on all but the smallest bikes. The difference between these wheel sizes can have a dramatic effect on the way a bike feels and handles out on the trail.

27.5in/650b Wheels

27.5inch wheels are smaller and lighter than 29er wheels, which makes them more agile and gives the bike a more responsive & playful nature. On the other hand, the smaller wheel size rolls less efficiently than the larger size, making the bike more prone to losing speed over rough ground and making it a little slower when climbing.

29er Wheels

29er wheels have a bigger rolling radius which makes them naturally smoother over rough ground. For this reason, a 29er mountain bike often requires less suspension travel than smaller wheeled alternatives. The downsides are an increase in weight, and the larger diameter wheels generate stronger gyroscopic forces, making the bike more stable, but less agile and responsive whilst manoeuvring.

26in Wheels

26 inch wheels were once the go-to wheel size on adult mountain bikes. However, they are now typically only found on the smallest frame sizes, and on junior bikes. 26 inch wheels are lightweight and give the bike very agile handling. The downsides to 26 inch wheels are their poor rolling resistance on rough ground, and the reduced contact patch due to the smaller wheel circumference.


Suspension components

Mountain bike suspension components (i.e. the fork or rear shock absorber) are also a way to identify the quality of a bike. While Fox and RockShox are the most common manufacturers, there are a number of brands producing suspension components for mountain bikes.

Entry level full suspension mountain bikes (up to approximately £1300) may come supplied with a fork & rear shock supplied by SR Suntour, X-Fusion or RockShox. These components will allow a limited amount of adjustment, including:

  • Coil spring preload / air spring pressure adjustment
  • Lockout switch
  • Rebound damping adjustment on models towards the top of the price range.

Mid-range & enthusiast bikes (up to approximately £3500) use components from brands including Fox, RockShox and Manitou. At this level, suspension components have features like:

  • Preload adjustment / air spring pressure adjustment
  • Rebound damping adjustment
  • Lockout switch
  • Multi-position ‘mode’ switch
  • Components towards the top end of the enthusiast price range may also feature compression damping adjustment as well.

Top of the range & competition spec bikes (over £3500) also use components from Fox, RockShox & Manitou, with a few select models using parts from Ohlins. At this price, suspension components have features including:

  • Coil spring preload adjustment / air spring pressure adjustment
  • High & low speed rebound damping adjustment
  • High & low speed compression damping adjustment
  • Lockout switch
  • Multi-position 'mode' switch
  • Advanced low-friction coatings (e.g. Fox’s golden-coloured Kashima coating)

Finance

How do I apply for finance?

At Tredz, you can spread the cost of your purchase and pay monthly over 6-48 months, interest free (dependent on repayment terms and amount). Finance is provided by Barclays Partner Finance and PayPal Credit with 0% APR finance available on purchases over £250 for Barclays Partner Finance and from £99 for PayPal Credit. Eligibility criteria apply.

1Fill your basket with everything you want from Tredz and go to the checkout.

2During checkout, select the finance option you want as your method of payment.

3You will be sent to our finance provider's secure server to complete your application.

4Finance providers PayPal & Barclays will use the information provided to make a decision and complete checkout if you are approved.

Read more about buying on finance

Barclays Eligibility Checker

You can use the Barclays Eligibility Checker to find out if you are likely to be accepted for a loan through Barclays Partner Finance without affecting your credit score. 

Credit is subject to application, financial circumstances and borrowing history. Tredz is the credit broker and not the lender. Barclays Partner Finance is the lender.

Please note there are some minimum criteria if you later decide to apply for finance, to view please click here

To apply you must:

  • Be at least 18 years old.
  • Be in full time work (16 hours or more a week), retired, or in receipt of disability allowance.
  • Be employed, self-employed or retired with a regular income of more than £500 per month.
  • Have been a UK resident for three years or more.
  • Have a mobile phone number.
  • Have an email address.
  • Have a UK bank account from which Direct Debits can be taken.
  • Be up to date on other credit repayments without recent defaults, County Court Judgments (CCJs) or bankruptcy.
Eligibility Checker *This takes you to the Barclays secure gateway

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Barclays Representative Example: If total purchase price is £1,399.00 and your selected term is 36 months 11.9% APR Representative, Annual Interest Rate 11.9% Fixed, you would pay £46.00 per month. Total amount payable will be £1655.83 with a cost of credit of £256.83. Finance is subject to application, financial circumstances and borrowing history. Performance Cycling Limited acts as a credit broker and not the lender, Barclays Partner Finance acts as the lender. Barclays Partner Finance is a trading name of Clydesdale Financial Services Limited, a member of the Barclays group. Clydesdale Financial Services Limited is authorised and regulated by the Financial Conduct Authority (Financial Services Register number: 311753). Registered in England. Registered No: 2901725. Registered Office: 1 Churchill Place, London E14 5HP.
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Delivery & Guarantee

UK Delivery Information

International Deliveries – Temporarily Suspended 11/11/20

Note: We are still offering deliveries to the Isle of Man, Scottish Highlands, Scottish Islands, Channel Islands, Isle of Wight, Jersey and Guernsey. 

Courier Delivery update: Due to the COVID19 situation, we are currently experiencing some delays with deliveries. Our couriers are working around the clock to get your order to you as soon as possible but there is a potential delay of up to 48 hours . Please check your tracking on track your order here.

Please download the TNT Track and Trace App for iOS here and Android here so you can keep an eye on your delivery and any further updates.

Please note on the TNT tracking app it may show your delivery status as ‘Collecting’ (as per image below). This means your delivery has left our warehouse and is currently held at TNT main depot and there could be up to a 48 hour delay.

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Please keep checking the TNT tracking for further updates. On behalf of TNT we apologise for any delay and inconvenience this may cause. 

We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE in the UK, regardless of the size and on all orders over £20.

Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

Please note that Pre-Order dates can sometimes change due to updated stock information.

Click here for more UK and international delivery information.

Returns & Warranty

It's easy to return a product with our 365 day, hassle free returns. 

We will give you a full refund on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

For more information please visit our Returns & Warranty page.

What's In The Box

What's In The Box

As cyclists ourselves, we know you will be keen to get out on your new bike as soon as possible. That's why we provide you with all the essential kit you need to get your shiny new bike rolling for the first time.

Most bikes don't come with pedals as standard so we include a set of basic pedals, free of charge with every bike we send out. We will also provide you with a pedal spanner to fit them and a 9-key trail tool, along with full instructions for setting your bike up out of the box. Each bike is sent out with a 16 point, quality control check sheet so you can be confident that your bike has been fully checked by our qualified mechanics.

What's in the box What's in the box
  • Basic setup instructions
  • 16 point quality control checklist
  • Free tredz multitool
  • Free tred pedal spanner
  • Free basic pedals
  • Free drawstring kit bag
  • Free bike insurance voucher

All these items are provided at no extra charge and are packed into a Tredz drawstring bag that doubles up as a handy backpack for carrying your ride essentials.

  • Basic bike setup instructions
  • Free ‘basic’ pedals
  • Free Tredz pedal spanner
  • Free Tredz 9-key trail tool
  • Free Tredz drawstring bag
  • Free 14 Days insurance voucher
  • 16 point, quality control check sheet

Tredz Service:

Tredz bikes are fully built & set up to ride
Read our bike setup guide.

Free UK delivery, on a date that suits you
We will ring to choose a suitable day. Find out more
  • Tredz bikes are fully checked & tested by Cytech qualified mechanics
  • 0% APR finance available on any basket over £99
  • 365 day 'no hassle' returns
  • Free UK delivery, on a date that suits you

Show finance options for:

Barclays Eligibility Checker

You can use the Barclays Eligibility Checker to find out if you are likely to be accepted for a loan through Barclays Partner Finance without affecting your credit score. 

Credit is subject to application, financial circumstances and borrowing history. Tredz is the credit broker and not the lender. Barclays Partner Finance is the lender.

Please note there are some minimum criteria if you later decide to apply for finance, to view please click here

To apply you must:

  • Be at least 18 years old.
  • Be in full time work (16 hours or more a week), retired, or in receipt of disability allowance.
  • Be employed, self-employed or retired with a regular income of more than £500 per month.
  • Have been a UK resident for three years or more.
  • Have a mobile phone number.
  • Have an email address.
  • Have a UK bank account from which Direct Debits can be taken.
  • Be up to date on other credit repayments without recent defaults, County Court Judgments (CCJs) or bankruptcy.
Eligibility Checker *This takes you to the Barclays secure gateway

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