Merida Big Nine 15 Mountain Bike 2026 - Hardtail MTB

The Merida Big Nine 15 is a reliable entry-level hardtail, the Big Nine 15 combines stable 29er handling with simple, durable components. It’s built for riders starting out on trails or looking for a capable bike for mixed terrain riding.
Key Features:
- TFS V 6061 aluminium frame with modern trail geometry
- SR Suntour XCE28 fork with 100mm travel
- Shimano Altus/Tourney 2x7-speed drivetrain
- Shimano BR-M375 mechanical disc brakes
- 29" wheels with Kenda 2.2" tyres
- Internal cable routing and upgrade-ready frame
- Mounts for mudguards and kickstand
- Available with 0% APR finance
The Merida Big Nine 15 is designed as an accessible introduction to mountain biking, combining dependable components with a frame that reflects modern trail design. The lightweight aluminium frame uses Merida’s TFS construction, delivering a good balance of strength, weight and durability for regular riding.
The updated geometry features a longer reach, slacker head angle and steeper seat tube, giving a more stable and confident feel on descents while maintaining an efficient pedalling position for climbs and flatter terrain. This makes it suitable not just for trails, but also for everyday rides and fitness use.
Up front, the SR Suntour XCE28 fork provides 100mm of travel to absorb bumps and smooth out rough ground. It helps reduce fatigue on longer rides and improves control when riding off-road.
The Shimano 2x7 drivetrain offers a wide range of gears, making it easier to tackle climbs while keeping the setup simple and easy to maintain. It’s a practical choice for riders new to mountain biking or those looking for straightforward reliability.
Mechanical disc brakes provide consistent stopping power in a range of conditions, offering dependable performance without complex maintenance.
Rolling on 29” wheels, the Big Nine 15 benefits from improved rollover ability, helping it carry speed and maintain stability over uneven terrain. The 2.2” tyres provide a good balance of grip and efficiency for mixed surfaces.
With internal cable routing and mounts for accessories like mudguards and a kickstand, the Big Nine 15 is built to adapt to everyday use as well as off-road riding. It’s a solid, confidence-inspiring hardtail for riders starting their trail journey.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | TFS V - 6061 aluminium, double butted and technoformed. Tapered head tube. Chain stay mounted disc brake. Internal cable routing. Mudguard and kick stand mounts. BSA threaded BB. 135mm x 9mm axle. Max. tyre size 29" x 2.4" |
| Fork | SR Suntour XCE28; Coil; 100 mm travel; 29x2.25" max. tyre size |
| Headset | FSA NO.55R/57SC/57B |
| Stem | Merida Comp CC; material: aluminium; 31.8 mm diameter; 7 degree rise |
| Bars | Merida CC; material: aluminium; 15mm rise; S - 720mm wide, (M-L) - 740mm wide, (XL-XXL) - 760mm wide |
| Front Brake | Shimano BR-M375; mechanical Disc brake with Shimano RT10; 160 mm |
| Rear Brake | Shimano BR-M375; mechanical Disc brake with Shimano RT10; 160 mm |
| Front Mech | Shimano Altus FD-M315 |
| Rear Mech | Shimano Tourney TY300 |
| Shifters | Front: Shimano Altus EF-500-2L, Rear: Shimano Altus EF-500-7R |
| Speed | 14 |
| Rims | Merida CC; 17mm inner rim width; Material: aluminium |
| Front Hub | Shimano TX505; 100x9mm; 32 Spoke; Centerlock |
| Rear Hub | Shimano TX505; 135x9mm; 32 Spoke; Centerlock |
| Spokes | Black steel |
| Front Tyre | Kenda K1080; 29x2.2" |
| Rear Tyre | Kenda K1080; 29x2.2" |
| Seat Post | Merida CC; material: aluminium; 30.9mm diameter; 15mm layback |
| Saddle | Merida Sport |
| Chainset | Shimano M315; 36-22 tooth chainset; material: aluminium; Crank length: 170mm |
| Bottom Bracket | FSA TH-7420ST; 73-127.5mm |
| Chain | KMC Z7 |
| Cassette | Shimano CS-HG210-7; 12-32 teeth; 7 speed |
| Pedals | VP VPE-891 |
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Merida Big Nine 2026 Size Chart
|
Frame Size |
Height cm |
Height Feet / Inches |
|
XS |
< 163 cm |
<5’4” |
|
S |
157 - 173 cm |
5’2” – 5’8” |
|
M |
167 - 183 cm |
5’6” – 6’0” |
|
L |
177 - 190 cm |
5’10” – 6’3” |
|
XL |
187 - 196 cm |
6’2” – 6’5” |
|
XXL |
> 192 cm |
>6’4” |
What size frame do I need if I am between sizes? - read here
Merida Big Nine 2026 Geometry Chart
| Size | S | M | L | XL | XXL |
|---|---|---|---|---|---|
| Stack | 606 | 606 | 615 | 624 | 634 |
| Reach | 432 | 452 | 472 | 492 | 512 |
| Head Tube Length | 95 | 95 | 105 | 115 | 125 |
| Head Tube Angle | 68 | 68 | 68 | 68 | 68 |
| Bottom Bracket Drop | 65 | 65 | 65 | 65 | 65 |
| Fork Length | 506 | 506 | 506 | 506 | 506 |
| Chainstay Length | 430 | 433 | 436 | 439 | 442 |
| Wheelbase | 1123 | 1146 | 1173 | 1199 | 1226 |
| Top Tube Length (horizontal) | 591 | 611 | 633 | 655 | 678 |
| Standover Height | 704 | 704 | 710 | 731 | 752 |
| Seat Tube Length | 380 | 410 | 440 | 470 | 500 |
| Seat Tube Angle | 75.3 | 75.3 | 75.3 | 75.3 | 75.3 |
| Tyre Size | 29" | 29" | 29" | 29" | 29" |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
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Merida Big Nine 15 Mountain Bike 2026 - Hardtail MTB
“ Great company to deal with. No hassle, easy, quick delivery all the instruction you need. Really happy with my bike. Selection is great 😁