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The Merida Big Trail 300 is a 29er aluminium hardcore hardtail with SR Suntour XCR34 140mm Air sprung forks, Shimano CUES 1 x 9 drivetrain, and a dropper post.
The Merida Big Trail 300 is a 29er aluminium hardcore hardtail with SR Suntour XCR34 140mm Air sprung forks, Shimano CUES 1 x 9 drivetrain, and a dropper post.
Merida

Merida Big Trail 300 Hardtail Mountain Bike in Black

£1,095.00
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Merida Big Trail 300 Hardtail Mountain Bike in Black

Season:2025

Brand:Merida

Code:P-Q295

The same fun handling and trail taming performance as its bigger brothers, but in a wallet-friendly specification. This is affordable trail performance at its best.

The BIG.TRAIL 300 is a fun-packed and hugely capable trail bike at an amazing price. Its progressive geometry combined with a long travel 140 mm fork and grippy 2.4" wide 29er trail tyres make it the perfect companion for exciting trail sessions and challenging all-day rides over rough terrain. And the long list of exciting features and upgrades adds to its premium looks.

The BIG.TRAIL is back and better than ever! Hailed by the international mountain bike press as one of the best trail hardtails around, we've tweaked it so it goes up, down and along even faster - which obviously means more fun. With updated, progressive geometry, the new BIG.TRAIL builds on an incredibly successful heritage, with a slack head angle and extended reach helping tame the gnarliest trails and a steeper seat angle that makes climbing up to do it again a breeze. We've also given it a slicker and tricker look and improved the frame protection too, so it'll stay looking good for longer. Join the BIG.TRAIL family and enjoy hassle-free trail fun in spades. Available from X-Short to X-Long, perfect for finding your preferred size and reach options.

Highlights

  • Durable double butted aluminium frame
  • Progressive trail bike geometry with long reach, slack head angle and steep seat angle
  • Extremely low standover height paired with long travel dropper posts
  • 140 mm air trail fork
  • 29er wheels specced with 2.4" aggressive trail tyres
  • Multiple fixing points for bottles and other equipment, internal cable routing


The original Big Trail was designed on the back of a napkin when several UK customers and Merida’s German R&D team chewed the fat about what would make the perfect UK trail bike. The resulting bike received rave press reviews and delighted customers worldwide.

Since then Merida’s R&D team have wowed the mountain bike world winning the coveted MBUK Bike of the year in both the Trail bike and Enduro bike categories.

Big Trail II takes many of those award-winning learnings:

A steeper seat angle (up from 75.5° to 76.5°) puts the rider in an efficient climbing position and shortens the top tube allowing Merida to extend the reach meaning the bike doesn't feel too long when you're pedalling in a seated position but provides plenty of stability on rough terrain.

The head angle goes from an already progressive 65.5° to 64.0° and when combined with a large 70mm BB drop (up from 66.5mm), gives the feeling of ‘sitting in the bike’ rather than ‘on it’ providing plenty of stability and confidence when things get rowdy.

The geometry follows the Agilometer principles which means most sizes work for most body sizes so riding style can be factored in. If you want to go crazy fast, take the longer size, for agility, take a shorter size.
Technical Information
Frame:TFS - 6061 double butted technoformed aluminium, smooth welding, Boost axle standard, tapered head tube, inboard disc mounts, internal cable routing, BSA BB standard, Max tyre size 29" x 2.5"
Rear Shock:
Fork:SR Suntour XCR34; Air; 140mm travel; platform
Headset:Acros ICR Merida external neck; Upper and lower IPS sealing
Stem:Merida Comp TR; aluminium; 35mm diameter; +7'degree rise - Size - 40 mm
Handlebar:Merida Comp TR; aluminium; 780mm wide; 20mm rise
Grips:Merida Comp EC
Brake Type:Hydraulic disc
Brake Lever:Shimano MT200
Front Brake:Shimano MT200; 2 piston with Shimano RT10; 180mm rotor
Rear Brake:Shimano MT200; 2 piston with Shimano RT10; 180mm rotor
Front Tyre:Kenda Regolith; 29" x 2.4"; wire bead
Rear Tyre:Kenda Regolith; 29" x 2.4"; wire bead
Wheel Size:29"
Rims:Merida Comp CC II; 25mm inner rim width; aluminium; tubeless ready (tubeless tape and valves not included)
Spokes:Black stainless
Front Hub:Shimano TC500-B; 110x15mm; 32 spoke; Centerlock
Rear Hub:Shimano TC500-HM-B; 148x12mm; 32 spoke; Centerlock
Speeds:9
Front Derailleur:
Rear Derailleur:Shimano CUES U4000;
Shift Levers:Shimano CUES U4000
Chain:KMC xGlide
Cassette:Shimano LG300; 11-46 teeth; 9 speed
Chainset:Shimano CUES U4000; 32 teeth - 170 mm for all sizes
Bottom Bracket:FSA BB-7420ST 127.5mm
Pedals:
Saddle:Merida Comp SL; V-mount
Seat Post:Merida Comp TR II; 34.9mm diameter; 0mm layback; X-Short: 150mm seat post travel - Short: 170mm seat post travel - Mid/Long: 200mm seat post travel - X-Long: 230 mm seat post travel
Sizing Information
ShortMidLongX-Long
5'2" - 5'8"5'6" - 6'0"5'10" - 6'3"6'2 - 6'5"
157 - 173cm167 - 183cm177 - 190cm187 - 196cm
Reach: 435mm
Stack: 636mm
Reach: 455mm
Stack: 645mm
Reach: 480mm
Stack: 654mm
Reach: 505mm
Stack: 663mm

Please be aware that Merida's enthusiast hardtail and full-suspension sizing is more about the length of the bike rather than its height as seat tube sizes do not increase by much on each size jump. Please take our listed sizing as a rough guide - Merida has a more accurate size checker on their website (https://www.merida-bikes.com/en-gb/bike/4740/big-trail-300), or please visit our shop, or call us so that we can advise on correct sizing.
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