Nukeproof Mega 290 Comp Alloy Bike (SX Eagle) 2020


Nukeproof Mega 290 Comp Alloy Bike (SX Eagle) 2020


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Nukeproof Mega 290 Comp Alloy Bike (SX Eagle)

This 29er Nukeproof Mega Comp has a lightweight and ultra-reliable hydroformed alloy frame at its core and is equipped with superb components to take you from trail to trail with confidence, reliability and style. Riding high in its travel, this 29”-roller features 170mm of RockShox Yari fork travel and 160mm at the rear from a Super Deluxe shock. This suspension setup, combined with its large wheels creates an onslaught of an off-road riding experience takes everything in its stride. Plus, it’s equipped with a SRAM SX 12-Speed transmission and Guide T hydraulic disc brakes to easily soar to the peaks and confidently tame the mountain on the way back down.

Sun Ringle Duroc Wheels and Michelin Wild Enduro Tyres

This full suspension mountain bike takes you up the steepest climbs with ease and descends the most daring descents with confidence. Nukeproof has equipped it with 29” Sun Ringle Duroc wheels wrapped in Michelin Wild Enduro tyres, for immense speed, stability and grip. This wheel/tyre combo gives this enduro bike the ability take your riding experience to new levels of excitement, adrenaline and confidence.

Superb Nukeproof Finishing Kit and Brand-X Dropper Seatpost

This 170mm travel enduro bike is equipped with an excellent finishing kit to complete its superb value for money bike build. It features Nukeproof Neutron handlebars, Sam Hill Signature grips and a 45mm-reach Nukeproof Neutron AM stem for outstanding comfort and control to get you riding with greater confidence and style. Plus, it includes a Horizon SL saddle and a Brand-X Ascend dropper seatpost and convenient adjustable comfort when climbing or descending. There are no bikes in this price range that can offer the same high-quality and performance as the Nukeproof Mega Alloy Comp.


  • Frame: Nukeproof Mega 290 Alloy, 160mm Travel, custom triple butted hydro-formed tube set, internal dropper seatpost cable routing, Enduro Bearings, Threaded 73mm BB, Boost 148mm rear axle spacing, 3D contoured frame protection
  • Fork: RockShox Yari, Motion Control RC damper, 170mm, 42mm Offset, BOOST, Debonair, Diffusion Black
  • Shock: RockShox Super Deluxe Select R, Custom ML tune, 230×62.5mm, Bearing End (We recommend most riders use 0/1 bottomless tokens but the shock comes with 2 tokens fitted, so you have an extra if needed.)
  • Front Wheel: Sun-Ringle Duroc SD37 Comp 29″, 15x110mm
  • Rear Wheel: Sun-Ringle Duroc SD37 Comp 29″, Shimano Driver, 148x12mm
  • Tyres: Front: Michelin Wild Enduro 29″ x 2.4, MAGI-X TS TLR, Rear: Michelin Wild Enduro 29” x 2.4, GUM-X TS TLR
  • Crankset: SRAM SX Eagle 12-Speed, 170mm, 30T, B148, Powerspline
  • Shifter: SRAM SX Eagle 12-Speed
  • Rear Derailleur: SRAM SX Eagle 12-Speed
  • Chain: SRAM SX Eagle 12-Speed
  • Cassette: SRAM SX Eagle 12-Speed, CS PG1230 EAGLE 11-50T
  • Chain Guide: MRP 1x CS, 28-34T, ISCG-05
  • Brakes: SRAM Guide T
  • Front Rotor: SRAM Centreline, 200mm
  • Rear Rotor: SRAM Centreline, 180mm
  • Handlebars: Nukeproof Neutron 25mm Rise, Width – S780mm, M780mm, L800mm, XL800mm)
  • Stem: Nukeproof Neutron AM, 45mm, Black
  • Saddle: Nukeproof Horizon SL, Grey
  • Seatpost: Brand X Ascend internal, 31.6mm, S:125mm drop; M/L:150mm drop; XL: 170mm Drop
  • Headset: Nukeproof, 44-56 IITS

Easy Assembly

When you order a bike, one of our trained mechanics will carefully prepare and pack your bike for shipping. Upon delivery, the assembly is simple and all necessary tools are conveniently included in the box.

Depending on the delivery service and destination, bikes will either be delivered in a large or a small box. Below is a guide as to how your bike will arrive:

  • All bikes for delivery within the UK and Republic of Ireland will be delivered in a large box, except for kids’ bikes and BMX bikes, which are always delivered in manufacturer’s boxes.
  • All bikes for delivery within the EU on a standard service will be delivered in a large box. If an express delivery option is chosen, your bike will be packed into a small box. Again, the exception is kids’ bikes and BMX bikes, which are always delivered in manufacturer’s boxes.
  • All bikes for worldwide delivery outside the EU will be delivered in small boxes.

This video demonstrates assembly from a SMALL BOX.

This video demonstrates assembly from a LARGE BOX.

Buy Nukeproof Bikes from Chain Reaction Cycles, the World’s Largest Online Bike Store.


  • Colour: Metallic Grey
  • Frame Size: L, XL, M
  • Wheel Size: 29″
  • Gender: Unisex
  • Speed: 12 Speed
  • Material: Aluminium
  • Fork Travel: 170mm
  • Rear Travel: 160mm

Additional information


Large, Medium, Small, X-Large


Metallic Grey

Wheel Size



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