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2025 Nukeproof

Mega Alloy 297 / 290 - Sram Eagle 90

A 29″ aluminum frame full suspension enduro bike with ultra high-end components.

Manufacturer Price

€4,499($5,211)
Weight36.6 lbs  
FrameAluminum
SuspensionFull, 160 / 170mm
ForkRockShox ZEB Select+
ShockRockShox Vivid Select+
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetEagle 90 Transmission
BrakesSRAM Maven Bronze Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Mega Alloy 297 / 290 - Sram Eagle 90
Other Enduro bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

26 mph

Mega Alloy 297 / 290 - Sram Eagle 90

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Sizing
SM

5'2" – 5'7"

MD

5'5" – 5'10"

LG

5'8" – 6'1"

XL

6'0" – 6'4"

XXL

6'3" – 6'8"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Price History
Reviews
Loam Wolf
Review: Nukeproof Mega V4 290 Carbon Elite

Jan 2024 · Robert Johnston

The Nukeproof Mega V4 290 Carbon Elite is a solid all round enduro bike that’s highly capable of hitting the top step of a race podium.

Read Review

BikeRadar
Nukeproof Mega 297 Carbon Elite review

May 2023 · Robin Weaver

The Mega 297 Carbon Elite delivers comfort and confidence in spades, but remains fun and flickable enough to keep things exciting when you want them to be

Highs
  • Good geometry

  • Well-balanced suspension that’s good in the rough

  • Great tyres, gearing and suspension

Lows
  • Brakes aren’t the punchiest and lack feel compared to some

  • Linkage bolts can work loose

Read Review

Geometry
Specs
Build
Frame

Nukeproof Mega V4 290 Alloy, 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.

BB StandardBSA, 73mm, Threaded

Fork

RockShox Zeb Select +, Charger 3.1 RC2, 29" Boost 15x110mm Maxle Stealth, Debonair, 170mm, Gloss Black, 44mm Offset

Travel170mm

Spring TypeAir

Shock

RockShox Vivid Select+ Air, 230x62.5mm, Bearing End, Custom Tuned with 1 Token, Rebound 25, Compression 30, 4x Lockout. Externally Adjustable Bottom Out

Travel160mm

Bottom Bracket

BSA, 73mm, threaded

Headset

Nukeproof, 44-56 IITS

Stem

Nukeproof Horizon, 45mm, Black

Handlebar

Nukeproof Neutron V2 25mm Rise, Width - S780mm, M780mm, L800mm

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

TypeDropper

Pedals

Not included **

Grips

Nukeproof Neutron Single Lock On, Diameter - S/M: 29.6mm, L/XL/XXL: 31.8mm

Groupset
Rear Derailleur

SRAM Eagle 90

Crank

SRAM Eagle 90, 12-Speed, DUB, 165mm, 30T T-Type, 55mm CL

Shifters

SRAM Eagle 90, 12-Speed MMX

Cassette

SRAM CS1270 T-Type, 12-Speed, 10-52T

Chain

SRAM GX T-Type, 12-Speed Eagle, Flattop, PowerLock, 116 Links

Chain Guide

Nukeproof guide with Bash, 28-36T, ISCG-05, 55mm CL, Black

Brakes

Front: SRAM Maven Bronze, Organic pads, Rear: SRAM Maven Bronze, Organic pads

TypeSRAM Maven Bronze Hydraulic Disc

Wheels
Rims

Nukeproof Neutron V2. F: 29", 15x110mm Boost, R:29", HG Freehub, 148x12mm Boost

Tires

F: Schwalbe Magic Mary Evo, Super Gravity, TLE, 62-622 / 29x 2.4" Ultra Soft, R: Schwalbe Tacky Chan Evo, Super Gravity, TLE, 62-622 / 29x 2.4" Soft

Disc Rotors

F: SRAM Centerline 2.0 200mm Rounded, R: SRAM Centerline 2.0 200mm Rounded

Rider Notes
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First added November 30

Last updated June 13