Nukeproof Mega 297 Carbon

Nukeproof Mega 297 Carbon

An enduro bike built on the tenets of balance, predictability, and absolute speed

Originally built as the “downhiller’s trail bike” made specifically to tackle the infamous MEGAVALANCHE enduro in France, the Nukeproof Mega has been racking up enduro stage wins and press accolades for over ten years. With four Enduro World Series titles to its name, the Mega has become an icon synonymous with racing.

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

Available in both a standard 290 and 297 mixed-wheel configuration, you can choose which version of the Mega suits your riding best — either the stability of a matched 29” setup front and rear, or the quick and playful pairing of and 29” front wheel and 27.5” wheel in the rear.

Currently in its fourth generation, the Mega is the product of more than ten years of refinement. It’s progressive, predictable, and downright fast; a bike as much at home between the tape at an Enduro World Series as it is bombing sketchy rock gardens on your home trails.

In pursuit of optimizing weight, strength, and stiffness, the Mega 297 Carbon is built around full T700/800 UD woven carbon fiber front and rear triangles. Its long, low, and slack geometry is designed around our saddle offset principle, which adjusts seat tube angle across the size range to ensure the seated riding position is perfect, no matter the rider’s height.

Everything on the bike has been carefully designed for racing and hard enduro riding. We've carved out space inside the front triangle of the frame for a 750ml water bottle, the seat tube is designed for slammed dropper posts, and we’ve even fitted the Mega with a threaded bottom bracket and universal derailleur hanger for easy maintenance.

The Mega’s Horst-link suspension system is tuned for suppleness over small bumps while remaining supportive on the climbs. Solid mid-stroke support balanced with relatively modest anti-squat gives the Mega an active rear end that feels shockingly efficient when pedaling uphill. Anti-squat reduces as you shift down the cassette and pick up speed, making the bike come alive on descents

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 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 Carbon chassis
  • Designed and improved suspension kinematics
  • Tube In Tube design for easy cable installation
  • All new Geometry
  • Optimised sizing/fit - Small to XXL (290 M to XXL, 297 S to L
  • SRAM UDH
  • Now fits a 750ml water bottle inside the main front triangle!

The 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.

Features

  • Enduro Bike
  • Nukeproof T700/800 UD woven Carbon Fibre frame
  • 165mm Rear travel
  • Comes with 3D Contored rubber protection and clear paint protection kits
  • Boost 148 Hub Spacing
  • Sizes Available: Small, Medium, Large, Extra Large, XXL

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Nukeproof Mega 297 Carbon
Nukeproof Mega 297 Carbon
Nukeproof Mega 297 Carbon
Nukeproof Mega 297 Carbon
Nukeproof Mega 297 Carbon
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Full Specs

Elite Factory RS Frame Only
Frame Nukeproof Mega V4 297 Carbon, 165mm Travel, ultra-strong monocoque UD Carbon Fibre frame, internally piped cable routing, ISCG 05 mounts, Enduro Bearings, Threaded 73mm BB, Boost 148mm rear axle spacing, 3D contoured Rubber frame protection and Factory fitted clear paint protection kit covering TT/DT/CS/SS. Nukeproof Mega V4 297 Carbon, 165mm Travel, ultra-strong monocoque UD Carbon Fibre frame, internally piped cable routing, ISCG 05 mounts, Enduro Bearings, Threaded 73mm BB, Boost 148mm rear axle spacing, 3D contoured Rubber frame protection and Factory fitted clear paint protection kit covering TT/DT/CS/SS. Nukeproof Mega V4 297 Carbon, 165mm Travel, ultra-strong monocoque UD Carbon Fibre frame, internally piped cable routing, ISCG 05 mounts, Enduro Bearings, Threaded 73mm BB, Boost 148mm rear axle spacing, 3D contoured Rubber frame protection and Factory fitted clear paint protection kit covering TT/DT/CS/SS. Nukeproof Mega V4 297 Carbon, 165mm Travel, ultra-strong monocoque UD Carbon Fibre frame, internally piped cable routing, ISCG 05 mounts, Enduro Bearings, Threaded 73mm BB, Boost 148mm rear axle spacing, 3D contoured Rubber frame protection and Factory fitted clear paint protection kit covering TT/DT/CS/SS.
Fork Fox 38 Float, Performance Elite Series, Grip 2 Damper, 170mm, 44mm Offset, BOOST, Black Fox 38 Float, Factory Series, Kashima, Grip 2 Damper, 170mm, 44mm Offset, BOOST, Orange RockShox Zeb Ultimate Charger 3 RC2 170mm, 44mm Offset, BOOST, Debonair, Grey
Shock Fox Float X2, Performance Series, EVOL, 2 Position lever, Custom 0.3 Spacer x2, CL, RM, Rezi CM tune, 230x62.5mm, Bearing End Fox Float X2, Factory Series, Kashima, EVOL, 2 Position lever, Custom 0.3 Spacer x2, CL, RM, Rezi CM tune, 230x62.5mm, Bearing End RockShox Super Deluxe Ultimate Air, Custom, S/M- 0L2 LNL1 32SB C1, L - 0L2 LNL 32SB C1, 230x62.5mm, Bearing End, 2 bottomless tokens fitted

Fox Float X2, Factory Series

or

Push Eleven Six

or

Fast Fenix Evo

or

EXT Storia V3
Front Wheel Nukeproof Horizon V2, 29", 6 Bolt, 110x15mm DT Swiss EX1700 SPLINE 30, 29", 6 Bolt, 110x15mm Nukeproof Horizon V2, 29", 6 Bolt, 110x15mm
Rear Wheel Nukeproof Horizon V2, 27.5", 6 Bolt, XD Driver, 148x12mm DT Swiss EX1700 SPLINE 30, 27.5", 6 Bolt, XD Driver, 148x12mm Nukeproof Horizon V2, 27.5", 6 Bolt, XD Driver, 148x12mm
Tyres Maxxis Assegai 3C MAXXGRIP/DD/TR 29” x 2.5WT, Rear: Maxxis Minion DHR II 3C MAXXTERRA/DD/TR 27.5” x 2.4WT Maxxis Assegai 3C MAXXGRIP/DD/TR 29” x 2.5WT, Rear: Maxxis Minion DHR II 3C MAXXTERRA/DD/TR 27.5” x 2.4WT Front: Michelin Wild Enduro, 29" x 2.4, MAGI-X TS TLR, Rear: Michelin Wild Enduro, 27.5" x 2.4, GUM-X TS TLR
Crankset SRAM GX Eagle, 12-Speed, DUB, 170mm, 32T T-Type, 55mm CL SRAM XO Eagle, T-Type, 12-Speed, 170mm, 30T, DUB, 55mm CL SRAM XX Carbon Eagle, T-Type, 12-Speed, 170mm, 32T, DUB, 55mm CL
Shifter SRAM AXS POD Ultimate, Eagle, 12-Speed, T-Type SRAM AXS POD Ultimate, Eagle, 12-Speed, T-Type SRAM AXS POD Ultimate, Eagle, 12-Speed, T-Type
Rear Derailleur SRAM GX AXS T-Type, 12-Speed Eagle SRAM XO AXS Eagle, T-Type, 12-Speed SRAM XX Eagle, AXS T-Type, 12-Speed, Black
Chain SRAM GX T-Type, 12-Speed, Flattop, PowerLock   SRAM GX, T-Type, 12-speed, Flattop, Powerlock   SRAM XO Eagle, T-Type, 12-Speed. Flattop, PowerLock
Cassette SRAM GX CS-1275 T-Type, 12-Speed, 10-52T SRAM GX Eagle, CS-1275, T-Type, 12-Speed, 10-52T SRAM XO Eagle, T-Type, 12-Speed, CS-1295, 10-52T
Chain Guide Nukeproof Guide with Bash, 28-36T, ISCG-05, 55mm CL, Black Nukeproof Guide with Bash, 28-36T, ISCG-05, 55mm CL, Black Nukeproof Guide with Bash, 28-36T, ISCG-05, 55mm CL, Black
Brakes SRAM DB8, 4-Pot Brake Hayes Dominion A4, 4-Pot Brake, Metallic Pads SRAM Code RSC, Sintered pads
Front Rotor SRAM Centerline, 200mm Hayes, 203mm SRAM HS2, 200mm
Rear Rotor SRAM Centerline, 200mm Hayes, 203mm SRAM HS2, 200mm
Handlebars Nukeproof Horizon V2 25mm Rise, Width - S780mm, M780mm, L800mm Nukeproof Horizon V2 25mm Rise, Width - S780mm, M780mm, L800mm Nukeproof Horizon Carbon V2 25mm Rise, Width - S780mm, M780mm, L800mm
Stem Nukeproof Horizon, 45mm, Black Nukeproof Horizon, 45mm, Black Nukeproof Horizon, 45mm, Black
Saddle Nukeproof Nukeproof  Nukeproof
Seatpost Brand X Ascend internal with Brand-X Remote lever, S:125mm drop; M:150mm drop; L:170mm drop Bikeyoke Divine Stealth with Brand-X Remote lever, S:125mm drop; M:160mm drop; L:185mm drop Bikeyoke Revive with Triggy 1x Remote, 31.6mm; S:125mm drop; M:160mm drop; L:185mm drop
Headset Nukeproof, 44-56 IITS Nukeproof, 44-56 IITS Nukeproof, 44-56 IITS Nukeproof, 44-56 IITS
Grips Nukeproof Sam Hill Signature Nukeproof Sam Hill Signature Nukeproof Sam Hill Signature
Bearings Enduro  Enduro  Enduro  Enduro 
Weight: (Size Medium) 15.75kg Medium Tubeless 15.6kg Medium Tubeless TBC kg Medium Tubeless 3.82Kgs/8.4lbs (Medium)

Geometry & Sizing

 

Small Medium Large
(A) Reach 430 455 475
(B) Stack 621.16 621.16 639.22
(C) Effective Top Tube Length 567.71 592.71 610.87
(D) Seattube Length 380 410 440
(E) Effective Seattube Angle 77.5° 77.5° 78°
(F) Seattube Angle (Actual) 71° 71° 71.5°
(G) Saddle Height at Saddle Offset 650 700 750
(H) Saddle Offset at Saddle Height 142.22 158.59 166.66
(I) Headtube Length 100 100 120
(J) Headtube Angle 64° 64° 64°
(K) Chainstay Length 435 435 435
(L) Front Centre 758.5 783.5 812.11
(M) Wheelbase 1192.48 1217.48 1246.09
(N) Bottom Bracket Drop 30/10 30/10 30/10
(O) Bottom Bracket Height 345 345 345
(P) Stand Over Height 721.75/725.16 720.28/724.41 721.3/722.92
(Q) Fork Travel 170 170 170
(R) Trail 132.33 132.33 132.33
(S) Fork Offset 42 42 42
(T) Axle to Crown 584 584 584
(U) Maximum Seatpost Insert 250mm 250mm 255mm

*All dimensions in mm unless otherwise stated

Recommended Sizing

Help

  • FAQs
  • Frame Spec
  • 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 www.nukeproof.com/dealers 
  • Do your bikes come with Warranty?
  • All Mega frames come with a 5 year frame warranty (Please visit www.nukeproof.com/warranty 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: www.nukeproof.com/warranty
  • 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 www.nukeproof.com/demo 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: Ultra Strong T700/800 Monocoque Carbon Fibre
Fork Travel: 170mm
Axle to Crown: 584mm 
Fork Offset: 44mm
Rear Travel: 165mm
Wheels Size: 29" Front / 27.5" Rear
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
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: 36.4mm
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