BIG TRAIL 500
Merida
Trail
BIG TRAIL 500 is an alloy trail mountain bike (2025), by Merida, from the Big lineup. This model is best for riders who want a more active, performance-leaning off-road feel, leaning toward a sporty, active riding position, with a surface profile that is well suited to natural trails and mixed off-road terrain. The main strengths in the metrics are strong value-for-money versus many similar bikes, strong climbing friendliness for sustained uphill riding, and good fit flexibility for dialing in rider position. At the same time, the trade-off to keep in mind is a firmer ride feel than comfort-first options and less emphasis on outright speed than speed-focused builds. Compare this bike with other trail bikes on MatchBikes.com.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
Geometry
| Measurement | X-Short | Short | Mid | Long | X-Long |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.511 mm | 1.462 mm | 1.418 mm | 1.363 mm | 1.313 mm |
| Bottom Bracket Height | 304 mm | 304 mm | 304 mm | 304 mm | 304 mm |
| Front Center | 739 mm | 763 mm | 788 mm | 817 mm | 846 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 134 mm | 134 mm | 134 mm | 134 mm | 134 mm |
| Stack | 627 mm | 636 mm | 645 mm | 654 mm | 663 mm |
| Reach | 415 mm | 435 mm | 455 mm | 480 mm | 505 mm |
| Top Tube Length | 559 mm | 581 mm | 603 mm | 630 mm | 657 mm |
| Seat Tube Angle | 76.5 ° | 76.5 ° | 76.5 ° | 76.5 ° | 76.5 ° |
| Seat Tube Length | 385 mm | 400 mm | 420 mm | 445 mm | 475 mm |
| Head Tube Angle | 64 ° | 64 ° | 64 ° | 64 ° | 64 ° |
| Head Tube Length | 90 mm | 100 mm | 110 mm | 120 mm | 130 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1165 mm | 1189 mm | 1214 mm | 1243 mm | 1272 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 715 mm | 721 mm | 724 mm | 726 mm | 729 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |






















































