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Merida One-Forty 400: a versatile full-suspension trail bike with 29" wheels, balanced travel, modern geometry, and strong 4-piston brakes for all-mountain riding. Buy now from Run And Ride
Merida One-Forty 400: a versatile full-suspension trail bike with 29" wheels, balanced travel, modern geometry, and strong 4-piston brakes for all-mountain riding. Buy now from Run And Ride
Merida

2026 Merida One-Forty 400 Mountain Bike - Wild Honey Golden Black

£2,250.00
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We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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We operate a simple 28 days returns policy that applies to all products sold and delivered direct to you, the customer. This means that for any reason you decide that you no longer want the product you may return it in it's original packaging, un-used and un-soiled with the relevant tags attached back to us and once checked we will refund your money within 28 days or replace your product (subject to stock availability). This offer in non-transferable. We do not accept returns that are customer soiled unless faulty and part of a warrantly claim. Shipping charges are non-refundable.

Refund Policy

We operate a simple 28 days returns policy that applies to all products sold and delivered direct to you, the customer. This means that for any reason you decide that you no longer want the product you may return it in it's original packaging, un-used and un-soiled with the relevant tags attached back to us and once checked we will refund your money within 28 days or replace your product (subject to stock availability). This offer in non-transferable. We do not accept returns that are customer soiled unless faulty and part of a warrantly claim. Shipping charges are non-refundable.

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Occassionally our site will state that a particular item is in stock & avaible for despatch, when in fact it isnt. This is a unfortunate feature of our ecommerce system & the way our supplier SIM's operate and is beyond our control. As a result your order may be cancelled without prior notice if a solution cannot be found in good time. When this happens we will endevour to issue you a full refund as quickly as possible. Please check your emails for notifications on the status of your order. We will accept no responsibilty for emails dropping into spam folders or going un-noticed.


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Returning Products

Should you need to return any products to us then you will be responsible for the cost of the postage. A returns form can be downloaded usling the link below. Once completed please include it in the returning package. On receiving the products we will carry out an inspection and should we find that it was in anyway our fault or the product was faulty then we will happily refund you the cost of the postage. Naturally should we believe it not to be our fault then we may choose not to refund any postage and may choose to claim costs of packaging for returning the products to yourself.

The product will be inspected against “reason for return” before any refund or replacement is posted out / made. Please note that will we only pay collection fees on warranty items unless agreed otherwise. Please ensure receipts are forwarded to us with the return where possible. You are responsible for the product until it is recieved by us. Please ensure that any returns are packed correctly to avoid any damage during transport as this may effect your refunded amount.

Our Returns Form can be downloaded here.



2026 Merida One-Forty 400 Mountain Bike - Wild Honey Golden Black

Season:2026

Brand:Merida

Code:P-R049

Merida One-Forty 400 – Versatile All-Mountain Trail Bike with Modern Geometry

The Merida One-Forty 400 is a highly capable all-mountain full-suspension trail bike engineered for riders who want a perfect balance of climbing efficiency and confident descending. Built on a robust aluminium frame with advanced suspension design and progressive geometry, it delivers impressive performance on technical terrain, flowing singletrack, and long days in the hills. Offering exceptional value in the trail category, the One-Forty 400 brings modern handling, durability, and reliability to a wide range of riders.


Key Features

  • Full aluminium frame with advanced suspension kinematics
    The frame incorporates Merida’s FAST suspension design, delivering efficient pedalling performance with excellent traction and sensitivity on rough terrain. Combined with the AGILOMETER sizing concept, riders can choose a reach that suits their riding style for a more personalised fit.

  • Progressive trail geometry with 29" wheels
    Featuring a slack 65° head angle, steep 80° seat angle, and long reach, the One-Forty 400 is built for stability on fast descents and efficiency on steep climbs. The 29" wheel setup offers smoother roll-over, improved grip, and momentum on rough trails.

  • Balanced suspension travel for all-mountain versatility
    With 143 mm of rear travel and a 140–150 mm fork, the bike absorbs bumps, roots, and rocks with ease while maintaining efficient pedalling characteristics — ideal for a wide range of trail conditions.

  • Wide-range 11-speed drivetrain
    A reliable 11-speed drivetrain provides smooth shifting and enough gear range to tackle steep ascents and fast descents without compromise.

  • 4-piston hydraulic disc brakes
    Powerful, responsive braking ensures confident control on technical trails, steep slopes, and varied conditions.

  • Long-travel dropper seatpost
    The integrated dropper post allows quick saddle height adjustment for climbing, cornering, and descending — a must-have for modern trail riding.

  • Tyre clearance up to 29" × 2.5"
    The frame accommodates wide, grippy tyres for aggressive riding or faster-rolling options depending on terrain and preference.

  • Durable and trail-ready build
    Designed to handle challenging all-mountain riding while maintaining a strong balance between durability, efficiency, and overall weight.


Why Choose the One-Forty 400?

The Merida One-Forty 400 offers a blend of performance and value that is hard to match in the mid-range trail category. Its geometry is designed for modern aggressive riding, giving excellent climbing posture, confident descending, and playful handling on technical singletrack. With well-balanced suspension travel, reliable drivetrain components, and powerful brakes, it’s a bike that adapts effortlessly to mixed terrain, big days out, and progressive trail sessions.

Perfect for riders seeking a do-it-all trail bike, the One-Forty 400 delivers durability, comfort, and control — with the performance benefits normally found in higher-end models.


Summary

The Merida One-Forty 400 is a versatile, full-suspension all-mountain trail bike featuring a durable aluminium frame, progressive geometry, and balanced suspension travel. With 29" wheels, a responsive 11-speed drivetrain, 4-piston hydraulic brakes, and a dropper post, it’s built for efficient climbing and confident descending. Offering excellent value and modern trail performance, the One-Forty 400 is ideal for riders who want a reliable, capable, and adventure-ready bike for every kind of trail.

Technical Information
  • Frame
    ONE-FORTY LITE III 143mm suspension travel 29" material: aluminium 29x2.5" max. wheelsize 148x12mm axle standard BSA bottom bracket standard
  • Frame size
    XShort, Short, Mid, Long, XLong
  • Shock
    Marzocchi Bomber inline
  • Fork
    Marzocchi Z2 Air 150mm suspension travel Tapered 44mm fork offset 29x2.6" max. wheelsize
  • Rim
    MERIDA COMP TR II 28mm inner width material: aluminium Tubeless ready (tubeless tape and valves not included) front 29" rear 27.5"
  • Hubs
    Shimano TC500-B / Shimano TC500-HM-B 110x15mm width front hub 32 spoke holes Centerlock 148x12mm width rear hub 32 spoke holes Centerlock
  • Front tyre
    Maxxis Minion DHF 29x2.5" wire
  • Rear tyre
    Maxxis Forekaster 29x2.4" wire
  • Hubs
    MERIDA EXPERT TR including removeable lever, 6/4mm allen key
  • Crank
    MERIDA Expert TR II 32 teeth 170 mm for all sizes
  • Bottom bracket
    Samox BSA 24mm EB2401
  • Cassette
    SunRace 10-50t CS-UX400 EA5 10-50 teeth 11 speed Linkglide
  • Chain
    KMC xGlide
  • Shifters
    Shimano CUES U6000
  • Rear derailleur
    Shimano CUES U6000 Shadow Plus
  • Brakes
    Sram DB4 4 piston
  • Rotors
    Sram CenterLine 200mm
  • Headset
    Acros ICR MERIDA EXTERNAL neck Upper and lower IPS sealing
  • Stem
    MERIDA COMP TR material: aluminium 35mm diameter 0° stem angle 40 mm
  • Stem size
    40 mm
  • Handlebar
    MERIDA COMP TR material: aluminium 780mm width 20mm rise
  • Grip
    MERIDA COMP TR
  • Seat post
    MERIDA EXPERT TR II 34.9mm diameter 0mm setback XSHORT/SHORT: 150mm travel seatpost - MID: 170mm travel seatpost - LONG: 200mm travel seatpost - XLONG: 230mm travel seatpost
  • Saddle
    MERIDA COMP SL 25% recycled material V-mount incl. MERIDA minitool
  • Seat clamp
    MERIDA EXPERT
Sizing Information

📏 Frame Size & Rider Height Guide

Frame SizeApprox. Rider Height
X-Short (XS)145 cm – 165 cm
Short (S)155 cm – 175 cm
Mid (M)165 cm – 185 cm
Long (L)175 cm – 195 cm
X-Long (XL)185 cm and above

Note: The bike’s “AGILOMETER” sizing allows riders to choose a size up or down depending on riding style (shorter for agility, longer for stability).


🛠 Geometry & Frame Dimensions by Size

SizeSeat Tube (mm)Top Tube (mm)Reach (mm)Stack (mm)Wheelbase (mm)Standover Height (mm)
X-Short4005324266071177730
Short4105594536071204735
Mid4255864806071232738
Long4456185096161265735
X-Long4706495356291298730

Other consistent specs across sizes: 29" wheels, 143 mm rear suspension travel, and up to 2.5" tyre clearance.


✅ Choosing the Right Size

  • Use body height as a starting point.

  • Prefer agility and nimble handling? Consider sizing down.

  • Prefer stability on descents and long rides? Consider sizing up.

  • Pay attention to reach and stack, which affect riding posture more than seat tube length alone.

Professional Opinion
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