Merida Big Seven 20 Mountain Bike 2026 - Hardtail MTB
The Merida Big Seven 20 combines a strong, lightweight aluminium frame with trail-ready suspension and simple, reliable Shimano 1x8 gearing for fun, confident riding on varied terrain.
Key Features:
- Frame: TFS V 6061 aluminium, double butted with modern geometry
- Fork: SR Suntour XCM32 NLO, 120mm coil suspension with lockout
- Drivetrain: Shimano 1x8-speed ESSA drivetrain
- Brakes: Shimano MT200 hydraulic disc brakes
- Wheels: 27.5” Merida Comp CC alloy rims
- Tyres: Kenda Booster 27.5x2.4” tyres for grip and control
- Feature: Internal cable routing and dropper post ready frame
- Finance: Available with 0% APR finance
The Merida Big Seven 20 is the perfect starting point for riders looking to explore off-road trails and paths with confidence. Blending trail-ready handling with all-round practicality, it’s built to take you from weekday rides to weekend adventures without fuss.
At the heart of the bike is Merida’s TFS V aluminium frame, made from 6061 double-butted, technoformed tubing for a strong yet lightweight ride feel. Its modern trail geometry features a longer reach and shorter stem for greater stability, while the steeper seat angle and slacker head angle improve control and climbing efficiency. With internal cable routing and tidy welds, it looks as clean as it rides.
The SR Suntour XCM32 fork offers 120mm of coil-sprung travel, taking the edge off rough terrain and smoothing out uneven ground. A handy lockout function lets you firm it up for climbs or road sections.
The Shimano ESSA 1x8 drivetrain keeps things simple and reliable — fewer gears to think about, but plenty of range thanks to the wide 11–45T cassette, making light work of hills and descents. Shimano MT200 hydraulic disc brakes deliver dependable stopping power in all conditions, giving you confidence wherever you ride.
The 27.5” Merida Comp CC alloy wheels are fast and agile, paired with Kenda Booster 2.4” tyres that offer a balance of grip and rolling speed on hardpack, gravel, or forest trails. The frame also includes mounts for mudguards, kickstand, and a dropper post, adding everyday versatility.
With its comfortable position, trail-friendly handling, and proven components, the Merida Big Seven 20 makes a brilliant first mountain bike — fun, capable, and ready to take you further off the beaten track.
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 27.5" x 2.4" |
| Fork | SR Suntour XCM32 NLO; Coil; 120 mm travel; lockout; 29x2.4" 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; (XXS-XS) - 700mm wide, S - 720mm wide |
| Front Brake | Shimano MT200; hydraulic brake with Shimano RT10; 160 mm |
| Rear Brake | Shimano MT200; hydraulic brake with Shimano RT10; 160 mm |
| Rear Mech | Shimano ESSA RD-U2000-8; GS |
| Shifters | Rear: Shimano Essa SL-315-8R |
| Speed | 8 |
| Rims | Merida Comp CC; 20mm 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 Booster; 27.5x2.4" |
| Rear Tyre | Kenda Booster; 27.5x2.4" |
| Seat Post | Merida Comp CC; material: aluminium; 30.9mm diameter; in-line |
| Saddle | Merida Sport |
| Chainset | Prowheel Epro-MD26S; 32 tooth chainset; material: aluminium; Crank length: 165mm |
| Bottom Bracket | Shimano UN101 LL123 |
| Chain | KMC Z8.3 |
| Cassette | Shimano CS-HG300-8; 11-45 teeth; 8 speed |
| Pedals | VP VPE 536 |
Merida Big Seven 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 Seven 2026 Geometry Chart
| Size | XS | S | M |
|---|---|---|---|
| Stack | 563 | 577 | 591 |
| Reach | 378 | 394 | 409 |
| Head Tube Length | 100 | 115 | 130 |
| Head Tube Angle | 69 | 69 | 69 |
| Bottom Bracket Drop | 30 | 30 | 30 |
| Fork Length | 487 | 487 | 487 |
| Chainstay Length | 430 | 430 | 430 |
| Wheelbase | 1056 | 1078 | 1099 |
| Top Tube Length (horizontal) | 550 | 570 | 590 |
| Standover Height | 649 | 689 | 740 |
| Seat Tube Length | 340 | 380 | 440 |
| Seat Tube Angle | 73 | 73 | 73 |
| Tyre Size | 27.5" | 27.5" | 27.5" |
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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