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Delivered ready to ride in 10 to 14 days.

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Select the product you are interested in, click delivery, type in your postcode, and select Bike Delivery. If this is not available there is no available stock nearby.

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Once your order is placed we will be in contact with you within 2 hours to confirm your order.

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Bike Build

Your bike will be built up at your local 99 bikes by one of our expert mechanics and safety checked prior to delivery.

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Your bike is delivered to your door by a 99 Bikes expert who will walk you through your new bike and answer any questions you may have.

Next Business Day Delivery

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Delivered before 8pm next business day.

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All orders placed before midnight will be delivered next business day before 8pm.

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Shipping & Delivery Options

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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 Nine 400 Mountain Bike Black/Silver/White

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 Nine 400 is a mid-level performance mountain bike for recreational riders that want some performance specs on their bike. New in 2019, the Big Nine 400 is equipped with the 2019 RaceLite 6061 Aluminium frame which is a lighter and more advanced frame than previous years. The frame is lighter, yet stiffer because of additional heat treatment and double-butted wall thickness. This means that you get a quality frame at an affordable price.  

The Big Nine 400 has 29” wheels and 100mm travel suspension fork with a lockout. The suspension fork from SR Suntour offers 100mm of travel to smooth the bumps on the trail and this is ideal for riding more efficiently on smooth surfaces as well as climbing out of the saddle. If you are riding on smoother terrain and want to conserve some energy, the fork lock out feature can be accessed simply from the top of the fork leg. It is also equipped with Shimano disc brakes for reliability regardless of the conditions and improved control.

The Merida Big Nine 400 is a versatile mountain bike at the start of the hardtail mountain bike performance range and will help you take that next step with your riding. The Big Nine 400’s lightweight and durable frame, lockout on the suspension fork and quality range of Shimano parts, make this bike a great for riding fast and testing yourself on the gravel or trails.

Features

Racelite 61 aluminium 2019: We use a minimum of 6061 aluminium. The pay back is that it’s possible to make lighter and more advanced frames. We use an additional heat treatment and double-butted wall thicknesses to produce light and stiff frames.

Tfs - Techno Forming System 2019: Technoforming is a mechanical forming process, shaping the tubes by using negative moulds, at times combined with a metal internal core.

F-mount 2019: ‘f-mount’ equipped bikes have integrated fittings for mud guards (some bikes require model specific mud guards), making fitting fast and simple.

K-mount drop-out 2019: Integrated mount on the chainstay to fit a merida kick stand.

C-mount 2019: ‘c-mount’ equipped bikes have the fixing points for a rear rack already integrated (some bikes require model specific rear rack), making fitting fast, simple and reliable.

X-taper headtube 2019: Using a tapered head tube with 1 1/8" bearings in the top and 1 1/4" or 1 1/2" in the bottom creates superb stiffness and precise, confidence inspiring steering.

Internal cable 2019: Cables are routed through the frame, entering and exiting through smooth sockets. The bike looks neat, whilst the cables are protected from moisture and dirt.

Down tube exit 2019: Ensures that internally routed cables and wires can move freely without causing any trouble whilst remaining easily accessible for servicing.

Lock-out 2019: The suspension fork and/or rear shock can be locked, either directly or via a ‘remote control’ lever on the handlebar.

C-S Post Mount Disc 2019: Post mount disc brake calipers fit directly onto the seat stay for a strong and light connection whilst a chainstay post mount positions the caliper on the chainstay within the rear triangle for extra protection and better distribution of braking forces. Another benefit is that internal cable routing is also easier and neater via the chainstay.

More Information
SKU 19MeridaBigNine400MattBlackSilverWhite
Season 2019
Sizing SKUs MD: MEHA1990273, LG: MEHA1990284, XL: MEHA1990295, XXL: MEHA1990303
Click & Collect Yes
Frame BIG.NINE TFS
Frame Material Alloy
Fork Suntour XCR32 RL-R; Air; 100 STR; Tapered; Remote lockout
Fork Brand Suntour
Front Travel 100mm
Speeds 1 x 10
Front Gears Single
Groupset Brand Shimano
Groupset Shimano Deore
Rear Gears 10 Speed
Crankset Alpha Drive 1x; 30 ATC
Pedals VP, VPE-891
Chain Kmc X10-1
Brake Type Hydraulic Disc Brake
Brakes Shimano MT-200 [F] 180mm [R] 160mm
Shifters Shimano Deore
Brake Levers Shimano MT-200
Derailleur Rear Shimano Deore Shadow+
Cassette Sunrace CSMS2; 11-42 ATC; 10 spd
Wheel Size 29"
Tyres Maxxis Ikon; 29x2.2"; fold
Rims MERIDA Comp CC; 20 IWR
Hubs Front: Shimano TX505; 100x9 WHF; 32 SPH; Centerlock Rear: Shimano TX505; 135x9 WHR; 32 SPH; Centerlock
Spokes Black Stainless
Bottom Bracket FSA Catridge BB
Handlebar MERIDA Expert CC; 720 WHB; 10 RHB
Headset MERIDA M4455
Grips Merida
Stem MERIDA Comp CC; 31.8 DSH; 6 ASD
Saddle MERIDA Comp CC
Seatpost MERIDA Comp CC; 30.9 DSP; 0 SSB

Merida Big Nine Bike Sizing Chart

Rider's Height (cm)
145
150
155
160
165
170
175
180
185
190
XS
SM
MD
LG
XL

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