2025 Merida Big Trail vs 2027 Trek Roscoe
The ML is the Trek Roscoe size closest to your MID Merida Big Trail. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Trek Roscoe
Compared with the Merida Big Trail in MID, the Trek Roscoe in ML places the top of the head tube 3 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 11 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −11 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Merida Big Trail, MIDTrek Roscoe, MLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Merida Big Trail MID | Trek Roscoe ML | Difference |
|---|---|---|---|
| Reach | 455 | 455 | ±0 mm |
| Stack | 645 | 648 | +3 mm |
| Head tube angle | 64 | 65.0° | +1.0° |
| Seat tube angle | 76.5 | 76.0° | −0.5° |
| Effective top tube | 603 | 614 | +11 mm |
| Chainstay length | 435 | 430 | −5 mm |
| Wheelbase | 1214 | 1203 | −11 mm |
| BB drop | 70 | 61 | −9 mm |
| Standover | 724 | 740 | +16 mm |
| Seat tube length | 420 | 400 | −20 mm |
| Fork length | 551 | not listed | |
| Head tube length | 110 | 105 | −5 mm |
| Stack-to-reach | 1.42 | not listed | |
| BB height | not listed | 312 |
Differences are the Trek Roscoe minus the Merida Big Trail. Full charts: 2025 Merida Big Trail, 2027 Trek Roscoe.
Where each sits in its class
Merida Big TrailTrek Roscoe
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Merida Big Trail300 | Trek Roscoe8 |
|---|---|---|
| Frame | Merida BIG.TRAIL TFS II | not listed |
| Fork | SR Suntour XCR34 2CR | Fox 36 Rhythm |
| Shifter | Shimano CUES U4000 | Shimano Deore M6200 |
| Derailleur | Shimano CUES U4000 | Shimano Deore M6200 |
| Cassette | Shimano LG300 | Shimano Deore M6200 |
| Chain | KMC XGlide | Shimano Deore M6100 |
| Crankset | Shimano CUES U4000 | Shimano MT520 |
| Bottom bracket | FSA BB-7420ST 127.5mm | Shimano MT501 |
| Wheelset | Merida Comp CC II | not listed |
| Tire | Kenda Regolith | Bontrager Brevard Pro XR |
| Rim | Merida COMP CC II | Bontrager Line TLR 30 |
| Brake | Shimano MT200 | Shimano MT620 |
| Rotor | Shimano SM-RT10 | Shimano SM-RT66 |
| Handlebar | Merida Comp TR | not listed |
| Stem | Merida Comp TR | not listed |
| Grips | Merida COMP EC | Trek Line |
| Headset | Acros ICR EXTERNAL neck | not listed |
| Dropper post | dropper | not listed |
| Seatpost | Merida COMP TR II | TranzX JD-YSI34 |
| Saddle | not listed | Bontrager Verse P3 |
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