2021 Merida Big Trail vs 2021 Giant Fathom 29
The L is the Giant Fathom 29 size closest to your L 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 Giant Fathom 29
Compared with the Merida Big Trail in L, the Giant Fathom 29 in L places the top of the head tube 19 mm lower and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 7 mm longer, which can contribute to stability at speed.
- Frame stack
- −19 mm
- Lower front end
- Frame reach
- +15 mm
- Longer frame reach
- Wheelbase
- +7 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Merida Big Trail, LGiant Fathom 29, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Merida Big Trail L | Giant Fathom 29 L | Difference |
|---|---|---|---|
| Reach | 455 | 470 | +15 mm |
| Stack | 650 | 631 | −19 mm |
| Head tube angle | 65.5 | 66.0° | +0.5° |
| Seat tube angle | 75.5 | 75.0° | −0.5° |
| Effective top tube | 622 | not listed | |
| Chainstay length | 435 | 435 | ±0 mm |
| Wheelbase | 1196 | 1203 | +7 mm |
| BB drop | 66.5 | 60 | −7 mm |
| Standover | 725 | 765 | +40 mm |
| Seat tube length | 430 | 465 | +35 mm |
| Fork length | 550 | not listed | |
| Head tube length | 110 | 105 | −5 mm |
Differences are the Giant Fathom 29 minus the Merida Big Trail. Full charts: 2021 Merida Big Trail, 2021 Giant Fathom 29.
Where each sits in its class
Merida Big TrailGiant Fathom 29
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 Trail200 | Giant Fathom 291 |
|---|---|---|
| Frame | Merida BIG.TRAIL TFS | Giant ALUXX SL |
| Fork | SR Suntour XCM32 DS | Giant Crest 34 RCL |
| Shifter | Shimano Deore M4100 | SRAM SX Eagle |
| Derailleur | Shimano Deore M5120 Shadow+ | SRAM SX Eagle |
| Cassette | Shimano Deore M4100 | SRAM SX Eagle |
| Chain | KMC X10 | not listed |
| Crankset | Shimano Deore M5100 | TruVativ Descendent |
| Pedals | VPE-891 | not listed |
| Wheelset | Shimano MT400 | Giant AM 29 |
| Tire | Kenda Regolith | Maxxis Minion DHF, Maxxis Aggressor |
| Rim | Merida COMP TR | not listed |
| Brake | Tektro M275 | Shimano MT401 |
| Rotor | Shimano SM-RT10 | not listed |
| Handlebar | Merida EXPERT CC | not listed |
| Stem | Merida COMP CC | not listed |
| Grips | Merida COMP EC | not listed |
| Headset | Merida M2345 | not listed |
| Seatpost | Merida COMP CC | Giant Contact Switch |
| Saddle | Merida COMP CC | not listed |
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