Nukeproof Mega Alloy

The Nukeproof Mega Alloy is the blueprint for modern enduro, engineered strictly for balance, predictability, and unapologetic speed. Conceived originally as a downhiller's trail bike to conquer the notorious MEGAVALANCHE in France, it didn't just participate in a race, it effectively birthed the entire Enduro category as we know it today.

Over the last ten years, the Mega has cemented its legacy as an apex race machine, racking up countless Enduro World Series stage wins and securing four overall EWS titles. It is the product of relentless, uncompromising evolution, chiseled by the brutal feedback of elite factory racers and die-hard privateers pushing the limits of the sport.

Now entering its fourth generation, every millimeter of the Mega has been hyper-optimized for terminal velocity, absolute control, and pedaling efficiency. It embodies Nukeproof's ethos of quiet confidence, performance earned on the dirt, not just claimed on paper.

At the core of this iteration is a battle-hardened 6061 T6 aluminum chassis, engineered to strike the ultimate equilibrium between brute strength, stiffness, and long-term durability. Every component, down to the meticulously forged linkages and hydroformed tubing, is designed to deliver the planted, deeply predictable ride characteristic of a race-ready weapon. By utilizing advanced welding protocols, Nukeproof ensured maximum structural integrity without the penalty of excess weight. It’s a chassis built to survive the world's most punishing tracks while remaining refreshingly simple to service, making it the undisputed champion for privateers who demand podium performance and season-long reliability.

On the hill, the Mega’s geometry and kinematics deliver a masterclass in stability and outright speed. Driven by a refined Horst-link architecture, the suspension is tuned for off-the-top suppleness, highly supportive mid-stroke cornering, and a progressive ramp-up to swallow catastrophic impacts. Finely tuned anti-squat metrics guarantee immediate power transfer on grueling climbs while keeping the bike lively and planted on the descent. Wrapped in Nukeproof's aggressive "Long, Low, Slack, and Steep" geometry philosophy, every frame size utilizes a dynamic saddle offset and size-specific seat tube angles to lock the rider into a dominant pedaling posture. The result is a bike that climbs with surgical precision, descends with absolute authority, and remains terrifyingly calm at race pace.

Nukeproof designed the Mega to ensure every ride, and every descent is completely frictionless. Real-world practicality is paramount: the sweeping front triangle swallows a full-size 750ml bottle, while a stealthy under-tube accessory mount keeps your spares off your back. Massive mud clearance for 2.6-inch rubber guarantees you won't slow down when the weather turns grim. To withstand endless abuse, Nukeproof specced fully sealed MAX bearings throughout the linkage for smooth performance in any weather. Complemented by highly accessible hardware, unified hex key sizing, and laser-etched torque specs, pit work becomes incredibly straightforward. Armed with 3D-contoured rubber armor across the downtube and stays, the frame runs dead-silent and protected. Every single detail serves one singular purpose: a bike that is blisteringly fast, brutally tough, and ready for the hardest trails on earth.

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Specifications:

• Frame
  • Nukeproof Mega V4 290 Alloy, Nukeproof Yellow, 160mm 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.
• Fork
  • RockShox Zeb Select +, Charger 3.1 RC2, 29" Boost 15x110mm Maxle Stealth, Debonair, 170mm, Gloss Black, 44mm Offset
    
• Rear Shock
  • RockShox Vivid Select+ Air, 230x62.5mm, Bearing End, Custom Tuned with 1 Token, Rebound 25, Compression 30, 4x Lockout. Externally Adjustable Bottom Out
    
• Wheelset
  • Size S, M, L
    Nukeproof Neutron V2. F: 29", 15x110mm Boost, R:27.5", HG Freehub, 148x12mm Boost
    
  • Size XL, XXL
    Nukeproof Neutron V2. F: 29", 15x110mm Boost, R:29", HG Freehub, 148x12mm Boost
    
• Tires
  • Front:  Schwalbe Magic Mary Evo, Super Gravity, TLE, 62-622 / 29x2.4" Ultra Soft
  • Rear: Schwalbe Tacky Chan Evo, Super Gravity, TLE, 62-584 / 29/27.5x2.4" Soft
• Crankset
  • SRAM Eagle 90, 12-Speed, DUB, 165mm, 30T T-Type, 55mm CL
    
• Shifter
  • SRAM Eagle 90, 12-Speed MMX
    
• Rear Derailleur
  • Sram Eagle 90 Transmission
• Chain
  • SRAM GX T-Type, 12-Speed Eagle, Flattop, PowerLock, 116 Links
• Casssette
  • SRAM CS1270 T-Type, 12-Speed, 10-52T
• Chain Guide
  • Nukeproof guide with Bash, 28-36T, ISCG-05, 55mm CL, Black
• Brakes
  • RAM Maven Bronze, Organic pads
• Rotors
  • Front: SRAM Centerline 2.0 200mm Rounded 
  • Rear: SRAM Centerline 2.0 200mm Rounded
• Handlebar
  • Nukeproof Neutron V2 25mm Rise, Width - S780mm, M780mm, L800mm
    
• Stem
  • Nukeproof Horizon, 45mm, Black
    
• Saddle
  • Nukeproof Horizon Enduro, Crn/Ti Rails
    
• Seatpost
  • Tranz-X YS108 Internal with SRAM Remote lever, S:150mm drop; M:170mm drop; L:200mm drop; XL/XXL:230mm drop
    
• Headset
  • Nukeproof, 44-56 IITS
• Grips
  • Nukeproof Neutron Single Lock On, Diameter - NP1 - 29.6mm, NP2 & NP3 - 31.8mm
• Pedals
  • not included
• Weight
  • 16.6kg/36.5lbs (Tubeless)

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Geometry:

		SMALL - 297	MEDIUM - 297	LARGE - 297	X-LARGE - 290	XX-LARGE - 290
A	Reach	430	455	475	495	515
B	Stack	621.16	621.16	639.22	648.24	657.27
C	Effective top tube	567.7	592.71	610.87	632.79	654.71
D	Seattube length	380	410	440	470	500
E	Effective seattube angle	77.5°	77.5°	78°	78°	78°
F	Actual seattube angle	71°	71°	71.5°	71.5°	71.5°
G	Saddle height for saddle offset	650	700	750	800	850
H	Saddle offset at saddle height	142.22	158.59	166.66	181.58	196.49
I	Headtube length	100	100	120	130	140
J	Headtube angle	64°	64°	64°	64°	64°
K	Chainstay length	435	435	435	440	440
L	Front centre	758.5	783.5	812.11	836.42	860.72
M	Wheelbase	1192.5	1217;5	1246.1	1275.39	1299.7
N	Bottom bracket drop	30 / 10	30 / 10	30 / 10	30	30
O	Bottom bracket height	345	345	345	345	345
P	Stand over height	721.75	720.28	721.3	720.73 / 730.78	726.77 / 736.07
Q	Fork travel	170	170	170	170	170
R	Trail	132.33	132.33	132.33	132.33	132.33
S	Fork offset	42	42	42	42	42
T	Axl te crown	582	582	582	582	582
U	Maximum seatpost insert	216	245	270	301	330

⚠ Please allow approximately 2-4 weeks for processing and shipping.