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Delivered ready to ride in 10 to 14 days.

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Delivered before 8pm next business day.

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At 99 Bikes, we offer multiple delivery options to suit your needs. Here’s a quick overview:

Click & Collect:
Order online and pick up your item from a nearby store — free and often same-day!

Standard Delivery:
Available for most parts and accessories.
Estimated delivery:

  • Metro: 2–14 business days
  • Regional & Remote: Up to 21 business days

Express Delivery:
Available for most parts and accessories.
Estimated delivery:

  • Metro: 1–6 business days
  • Regional & Remote: Up to 21 business days

Boxed Bike Delivery:
For selected bikes. Delivered boxed to your address and ready to be assembled in 1 - 2 weeks.

Note: Delivery times are an estimate and actual delivery times may vary based on public holidays and peak periods. Bulky items may take longer.
For full details, delivery estimates and more information, please visit our Shipping & Delivery Info page.

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Merida Big Seven 300 Mountain Bike Orange/Black

Out of stock
Only %1 left
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Up to 12 months interest free

Features

Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more Â»

Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Tune-up
Every bike comes with a complimentary free tune-up and safety check.

Please note that, in order to reduce production and delivery times, bike specifications are subject to change by the manufacturer without notice. Please be aware that these changes might not be reflected on product pages and images.

The Merida Big Seven 300 hardtail mountain bike ready for cross-country rides and all-day adventures. In 2021 the Big Seven brings an all new TFS Alloy frame with internal cable routing for clean looks and less maintenance. This frame is durable and relatively light so that it is easy to control with a geometry that combines comfort with performance. A good hardtail needs a good fork to help you perform and the 300 is well-equipped thanks to the Suntour XCR LOR Fork with 100mm travel and lockout so that you can hit high speeds on all terrain. 

The 300 steps up from the Big Seven 200 with a 2x10 Shimano Deore drivetrain instead of the 1x9 Deore for a wider range of gears to help you hit the trails with speed. You can ride with powerful aggression, knowing that the Tektro M275 2 piston Hydraulic Disc Brakes will give you the all-weather braking control you need to ride with confidence. The 300 rolls on Merida Comp CC Aluminium rims and Maxxis Ikon 27.5x2.2" tyres which give you a good mix of speed and traction on the trails. The Merida Big Seven 300 gives you a snappy and agile ride that is capable on a variety of terrain, making this the ideal bike for riding hard on the trails or just cruising with your friends and family.

Features

Modern Hardtail Geometry: Our carbon and LITE aluminium models feature a long 422 mm reach, steep 73.5° seat angle, slack 70° head angle and an 80 mm stem (BIG.NINE – M), affording the BIG.NINE next-generation XC geometry. Aggressive agility meets stable calmness; perfect for today’s demanding courses.

Smart Entry: Cables, housings and brake hoses are clamped under tension to prevent rattling when the trail gets rough. All inlets are completely interchangeable to deal with Di2, hydraulic hoses, brake cable and gear cable housings etc.

 
More Information
SKU 21MeridaBigSeven300OrangeBlack
Season 2021
Sizing SKUs XS: MEHA2181463, SM: MEHA2181474, MD: MEHA2181485
Click & Collect Yes
Frame BIG.SEVEN TFS III; MAT aluminium; 27.5 WHS; 135x9 AST; BSA BBR
Frame Material Alloy
Fork Suntour XCR LOR; Air; 100 STR; Lockout; 42mm fork offset
Fork Brand Suntour
Front Travel 100mm
Speeds 2 x 10
Front Gears Double
Groupset Brand Shimano
Groupset Shimano Deore
Rear Gears 10 Speed
Crankset Shimano Deore M-4100-2; 36-26 ATC
Pedals Plastic VPE-891
Chain KMC X10
Brake Type Hydraulic Disc Brake
Brakes Tektro M275; 2 piston
Shifters Shimano Deore M4100
Brake Levers Tektro
Derailleur Front Shimano Deore
Derailleur Rear Shimano Deore M4120 Shadow
Cassette Shimano Deore M4100; 11-42 ATC; 10 Speed
Wheel Size 27.5" (650b)
Tyres Maxxis Ikon; 27.5x2.2"; wire
Rims MERIDA COMP CC; 20 IWR; MAT aluminium
Hubs Shimano TX505; 135x9 WHR; 32 Spokes; Centerlock
Spokes Black stainless
Bottom Bracket FSA TH-7420ST Cartridge Bearing
Handlebar MERIDA EXPERT CC; MAT aluminium; 720 Wide; 10 Rise
Headset MERIDA M2346 Neck
Grips MERIDA COMP EC
Stem MERIDA COMP CC; MAT aluminium; 31.8 Diameter; 6 Angle
Saddle MERIDA COMP CC
Seatpost MERIDA COMP CC; MAT aluminium; 30.9 Diameter; 0 Setback

Merida Big Seven Sizing Chart

Rider's Height (cm)
155
160
165
170
175
180
185
190
195
200
205
XS
SM
MD
LG
XL
XXL

Hardtail Mountain Bike Geometry Diagram

Legend

ST Seat Tube

TT Top Tube

CS Chain Stay Length

HTA Head Tube Angle

STA Seat Tube Angle

BD Bottom Bracket Drop

HT Head Tube

FL Fork Length

R Reach

S Stack

WB Wheel Base

Size

XS SM MD
Wheel Size 27.5" (650b) 27.5" (650b) 27.5" (650b)
Frame Size 34 38 44
ST Seat Tube (mm) 340.0 380.0 440.0
TT Top Tube (mm) 550.0 570.0 590.0
CS Chain Stay Length (mm) 430.0 430.0 430.0
HTA Head Tube Angle (°) 69.0 69.0 69.0
STA Seat Tube Angle (°) 73.0 73.0 73.0
HT Head Tube (mm) 100.0 115.0 130.0
R Reach (mm) 378.0 394.0 409.0
S Stack (mm) 563.0 577.0 591.0
WB Wheel Base (mm) 1056.0 1078.0 1099.0

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