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Merida Big Trail 300 Hardtail Mountain Bike Black
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- Durable double butted aluminium frame, internal cable routing
- Progressive trail bike geometry with long reach, slack head angle and steep seat angle
- SR Suntour XCR34 Air 140mm platform fork
- Reliable Shimano Cues 9 speed drivetrain
- Powerful Shimano hydraulic disc brakes
- 29er wheels spec’d with 2.4" aggressive trail tyres
- Extremely low standover height paired with long travel dropper post
- Multiple fixing points for bottles and other equipment
The BIG.TRAIL is back and better than ever! Hailed by the international mountain bike press as one of the best trail hardtails around, Merida have further 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. They’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.
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 SR Suntour 140 mm fork and grippy Kenda Regolith 2.4" wide 29er trail tyres make it the perfect companion for exciting trail sessions and challenging all-day rides over rough terrain. Shimano’s proven 9 speed Cues drivetrain, powerful hydraulic disc brakes and a long travel dropper already included rounds off the ready to ride trail package. While multiple fixing points for bottles and other equipment ups the versatility for commuting or bikepacking, wherever you’d like your adventures to take you.
| Axles: | REAR: MERIDA COMP TR; including removeable lever, 6/4mm allen key |
|---|---|
| Bottom bracket: | FSA BB-7420ST 127.5mm |
| Brakes: | Shimano MT200; 2 piston |
| Cassette: | Shimano LG300; 11-46 ATC; 9 GER |
| Chain: | KMC xGlide |
| Crankset: | Shimano CUES U4000; 32 ATC 170 mm for all sizes |
| Derailleur rear: | Shimano CUES U4000; |
| Fork: | SR Suntour XCR34; Air; 140 STR; platform |
| Frame: | BIG.TRAIL TFS II; MAT aluminium; 29x2.5" max. WHS; 148x12 AST; BSA BBR |
| Grip: | MERIDA COMP EC |
| Handlebar: | MERIDA COMP TR; MAT aluminium; 780 WHB; 20 RHB |
| Handlebar stem: | MERIDA COMP TR; MAT aluminium; 35 DSH; +7' ASD 40 mm |
| Headset: | Acros ICR MERIDA EXTERNAL neck; Upper and lower IPS sealing |
| Hubs: | FRONT: Shimano TC500-B; 110x15 WHF; 32 SPH; Centerlock / REAR: Shimano TC500-HM-B; 148x12 WHR; 32 SPH; Centerlock |
| Rim: | MERIDA COMP CC II; 25 IWR; MAT aluminium; tubeless ready |
| Rotor front: | Shimano RT10; 180mm |
| Rotor rear: | Shimano RT10; 180mm |
| Saddle: | MERIDA COMP SL; 25% recycled material; V-mount |
| Season: | 2025 |
| Seat clamp: | MERIDA EXPERT |
| Seat post: | MERIDA COMP TR II; 34.9 DSP; 0 SSB; XS: 150 SPT，S: 170 SPT，M/L: 200 SPT，XL: 230 SPT |
| Spokes: | Black stainless |
| Tyre front: | Kenda Regolith; 29x2.4"; wire |
| Tyre rear: | Kenda Regolith; 29x2.4"; wire |
| Weight: | APPROX. WEIGHT: 14.7 kg |
| Wheel size: | 29" |
| Frame Size | XS | SM | MD | LG | XL |
| Frame Length | XShort | Short | Mid | Long | XLong |
| Tyre Sizes | 29" | 29" | 29" | 29" | 29" |
| ST seat tube [mm] | 385 | 400 | 420 | 445 | 475 |
| TT top tube [mm] | 559 | 581 | 603 | 630 | 657 |
| CS chain stay length [mm] | 435 | 435 | 435 | 435 | 435 |
| HTA head tube angle [°] | 64 | 64 | 64 | 64 | 64 |
| STA seat tube angle [°] | 76.5 | 76.5 | 76.5 | 76.5 | 76.5 |
| BD bottom bracket drop [mm] | 70 | 70 | 70 | 70 | 70 |
| HT head tube [mm] | 90 | 100 | 110 | 120 | 130 |
| FL fork length [mm] | 551 | 551 | 551 | 551 | 551 |
| R reach [mm] | 415 | 435 | 455 | 480 | 505 |
| S stack [mm] | 627 | 636 | 645 | 654 | 663 |
| WB wheel base [mm] | 1165 | 1189 | 1214 | 1243 | 1272 |
| SH stand over height [mm] | 715 | 721 | 724 | 726 | 729 |
| Str Stack To Reach Ratio Pc | 01.01.51 | 01.01.46 | 01.01.42 | 01.01.36 | 01.01.31 |
| Seat Post Mounting Depth Max Mm | 300 | 315 | 335 | 360 | 390 |
Merida Big Trail Sizing Chart
Merida is an international bike brand with its headquarters in Taiwan, the R&D department is based near Stuttgart in Germany. To be based in Germany has historical reasons for MERIDA but the precise location was chosen specifically because the region around Stuttgart is one of the hot spots of the automotive and machine building industry which Germany is famous for and attracts a hugely skilled design and engineer labor force.
The Merida team are more than just highly trained and experienced bicycle creators – they simply love everything ‘bike’. Most of their R&D staff are daily bike commuters while others are serious mountain bikers, who regularly compete in Marathon, Enduro and Downhill competitions, or licensed road racers and even ambitious Ironman triathletes. Get the behind the scenes view of the Merida R&D centre and meet some of their key members of staff in the below video.
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Please note, due to challenges in the product supply chain, bike specifications are subject to change without notice. Specifications listed below may not match exactly as shown in the photo.
