Nukeproof Mega 275 Alloy 2022

Nukeproof Mega 275 Alloy 2022

For over 10 years, our best-selling model; the Mega has been racking up awards on Enduro stages and in the press around the world. With 4 Enduro World Series titles to its name, the Mega has become an icon that is synonymous with racing. However, we never rest on our laurels and 2021 sees the introduction of the 4th generation Mega.

Since 2009 the Nukeproof Mega has been on a constant development to meet the demands of our riders and customers alike.

To optimise the strength and weight, the Mega is constructed fully out of T6061-T6 Aluminium including all forged part.

After winning 4 Enduro World Series Titles in 3 years the all new design is an evolution of our ultimate Enduro bike. At the heart of the frame is all new suspension Kinematics, designed to be more subtle off the top, whilst remaining progressive and predictable . Anti-Squat is used to create an effective pedalling bike that can be thrashed through technical terrain. The useable SAG range is also widened to allow riders to tune the suspension to the trails. Other key features include:

  • All New Aluminium chassis
  • Designed and improved suspension kinematics
  • All new Geometry
  • Optimised sizing/fit - Small to XXL
  • Sram UDH
  • Now fits a 750ml water bottle inside the main front triangle!

The new Mega frame is optimised around the rider and weight distribution. The new geometry features dynamic saddle offset. Seat angles are optimised for each frame size and the seat tube itself is designed to take a longer dropper post if required.

Please Note: Due to severe delays in the bicycle supply chain, we have been forced to make some alterations to the specification of the component parts supplied with this bicycle. As a result the specification may differ from those shown in the images. Please refer to the specification table for accurate information


      • Enduro Bike
      • Hydroformed 6061-T6 Triple-Butted Aluminium
      • 165mm Rear travel
      • Comes with 3D Contoured rubber protection
      • 148mm Boost Hub Spacing
      • Sizes Available: Small, Medium, Large, Extra Large, XXL


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Nukeproof Mega 275 Alloy 2022
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Full Specs

Frame Only 
Frame Nukeproof Mega V4 275 Alloy, 165mm Travel, custom triple butted hydro-formed tube set, internal cable routing, ISCG 05 mount, Enduro Bearings, Threaded 73mm BB, Boost 148mm rear axle spacing, 3D contoured Rubber frame protection
Shock RockShox Super Deluxe Ultimate RCT, Custom LIN L1 HOTDOG S320 tune, 230x62.5mm, Bearing End, 2 bottomless tokens fitted
Headset Nukeproof, 44-56 IITS
Bearings Enduro Bearings
Weight(Size Medium) 3.87Kgs/8.53lbs (Medium)

Geometry & Sizing


Small Medium Large X-Large XX-Large
(A) Reach 435 460 480 500 520
(B) Stack 591.48 600.47 618.44 627.43 636.42
(C) Effective Top Tube Length 566.13 593.12 611.45 633.36 655.27
(D) Seattube Length 380 410 440 470 500
(E) Effective Seattube Angle 77.5° 77.5° 78° 78° 78°
(F) Seattube Angle (Actual) 71° 71° 71.5° 71.5° 71.5°
(G) Saddle Height at Saddle Offset 650 700 750 800 850
(H) Saddle Offset at Saddle Height 145.59 160.94 169.12 184.95 200.88
(I) Headtube Length 100 110 130 140 150
(J) Headtube Angle 64° 64° 64° 64° 64°
(K) Chainstay Length 435 435 435 435 435
(L) Front Centre 759.77 789.16 817.92 842.31 866.69
(M) Wheelbase 1194.66 1224.04 1252.81 1277.19 1301.58
(N) Bottom Bracket Drop 10 10 10 10 10
(O) Bottom Bracket Height 345 345 345 345 345
(P) Stand Over Height 725.49 724.6 726.15 728.82 733.51
(Q) Fork Travel 170 170 170 170 170
(R) Trail 134.42 134.42 134.42 134.42 134.42
(S) Fork Offset 37 37 37 37 37
(T) Axle to Crown  562 562 562 562 562
(U) Maximum Seatpost Insert 225 251.5 279.5 305.5 332

*All dimensions in mm unless otherwise stated

Recommended Sizing


  • FAQs
  • Frame Spec
  • Industry Reviews
  • Tech Docs
  • Where can I buy Nukeproof Bikes?
  • Nukeproof bikes, components and apparel is sold through an authorised dealer network. Check out our dealer locator for your local local stockist or preferred online store 
  • Do your bikes come with Warranty?
  • All Mega frames come with a 5 year frame warranty (Please visit for full info). Components will follow the component manufacturer warranty policy. Our Warranty policy applies to the original owner and processed by our authorised retail partners. To see their warranty process check:
  • Where can I demo a Nukeproof bike? 
  • We run numerous demo's through the year at major events and with our dealer network. Check out for when we may be near you. If this is unavailable to you, you can always request a demo through your local authorised stockist.  
  • What size bike do I need? 
  • All our products come with a size guide. This is designed as an indication of the size that may suit you. If you are still unsure speak with one of our dealers who will be happy to help you pick the right size and model for you. 
  • How does you bike range work? 
  • Our range is named based on specification level. Not every Bike Frame will have each specification level, but in order of price they run: Sport - Race - Comp - Pro - Elite- Factory/ST (Reactor Only) - RS
  • Where can I buy touch up paint for my bike? 
  • Nukeproof have partnered up with paint specialist G-Paint to offer touch up paints for popular Nukeproof models. These can be bought direct from G-Paint's website HERE
Material: Hydroformed 6061-T6 Triple-Butted Aluminium 
Fork Travel: 170mm
Axle to Crown: 562mm 
Fork Offset: 37mm
Rear Travel: 165mm
Wheels Size: 27.5"
Max Tyre Size: 2.6"
Recommended Shock Sag (Measured seated): 30-35%
Shock Size: 230x62.5mm
Shock Hardware F: 25x8mm
Shock Hardware R: 30x8mm 
Sizing: S/M/L/XL/XXL
Headtube: 44-56mm Tapered Semi-Integrated
Headset: ZS44-28.6 - T2 / ZS56/40 - B8
Bearings Required: 4x F6802 LLU MAX, 4x 6902 LLU MAX, 2x F6902 LLU MAX-EA
Seatpost: 31.6mm (Internal Routing for Dropper Seatpost)
Seat Clamp: 34.9mm
BB: Threaded 73mm BSA
Rear Hub: Boost 148x12mm
Rear Axle: Sram UDH Maxle Stealth M12x1.0 180mm (Thread Length 13mm)
Chain Guide: ISCG05
Max Chainring Size: 36T/34T Oval
Brake Mount: 180mm Direct Post
Protection: 3D Contoured Rubber Frame Protection for DT/SS/CS