A Reliable Aluminium Hardtail Built for Every Adventure
The Merida BIG.NINE 400 is a versatile 29er aluminium hardtail designed for riders who demand both reliability and performance. Equipped with a Manitou Markhor 100 mm air suspension fork, a smooth Shimano 11-speed drivetrain, and powerful Shimano hydraulic disc brakes, it delivers everything you need to tackle both challenging trails and the daily urban ride.
With over 50 years of design and manufacturing heritage, Merida’s hardtails have become the backbone of the brand’s global success. The BIG.NINE 400 continues that tradition by combining modern frame technology with proven geometry that balances comfort and control, making it perfect for everything from long off-road adventures to fitness rides and commuting.
Key Highlights
Durable Aluminium Frame: Double-butted TFS IV frame offers a blend of lightweight construction, stiffness, and long-lasting durability.
Responsive Suspension: The Manitou Markhor Comp fork with 100 mm travel ensures smooth handling across technical terrain.
Reliable Shimano CUES U6000 Drivetrain: Crisp, efficient 11-speed shifting for climbing efficiency and speed on flats.
Powerful Hydraulic Disc Brakes: Shimano M4100 brakes with Shimano RT10 rotors provide confident stopping power in all conditions.
Comfort-Focused Geometry: Upright riding position for better control, stability, and reduced fatigue on long rides.
Versatile Design: Suited for mountain biking, off-road tours, and urban riding, making it a true all-rounder.
Specifications
Frame: BIG.NINE TFS IV (Aluminium)
Fork: Manitou Markhor Comp, 100 mm travel
Brakes: Shimano M4100 hydraulic disc
Rotors: Shimano RT10
Headset: MERIDA M4455
Handlebar: MERIDA EXPERT CC
Stem: MERIDA COMP CC
Grips: MERIDA COMP EC
Rear Derailleur: Shimano CUES U6000
Shifters: Shimano CUES U6000
Seatpost: MERIDA COMP CC
Seat Clamp: MERIDA COMP QR
Saddle: MERIDA COMP SL
Pedals: VP VPE-891
Chain: Shimano LG500
Crankset: Shimano CUES U6000
Cassette: Shimano LG400
Hubs: Shimano QC300
Rims: MERIDA COMP CC
Tires: Maxxis Ikon (Front & Rear)
Spokes: Black stainless
Weight: 12.6 kg
Color: Dark Silver (Black)
Who Is It For?
Trail Enthusiasts: Perfect for riders who want a reliable hardtail for forest trails, gravel, and technical singletrack.
Urban Commuters: Confident handling and comfort geometry make it equally suitable for daily city rides.
Fitness Riders: A durable, versatile choice for those looking to combine exercise with adventure.
Beginner to Intermediate MTB Riders: An accessible entry into serious mountain biking without compromising on performance.

