Evolve FS XX1
arc8
Crosscountry
Evolve FS XX1 is a carbon cross-country mountain bike (2023), by ARC8, from the Evolve lineup. It suits riders who want a more active, performance-leaning off-road feel, with a setup that gives you a sporty, active riding position, while being best for smoother trails and efficient rolling. Metric-wise, it stands out for strong climbing friendliness for sustained uphill riding, strong speed potential on smoother terrain, and a comfort-leaning ride feel over longer rides. At the same time, compared with more specialized alternatives, the compromise is a value score that depends more on priorities than pure price efficiency. Next step: compare this bike with other cross-country models 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 | MD | LG |
|---|---|---|
| Stack Reach Ratio | 1.21 mm | 1.16 mm |
| Bottom Bracket Height | 331 mm | 331 mm |
| Front Center | 762 mm | 796 mm |
| Rake | 42 mm | 42 mm |
| Trail | 119 mm | 119 mm |
| Stack | 585 mm | 594 mm |
| Reach | 483 mm | 513 mm |
| Top Tube Length | 615 mm | 638 mm |
| Seat Tube Angle | 77.1 ° | 77.1 ° |
| Seat Tube Length | 440 mm | 480 mm |
| Head Tube Angle | 66.1 ° | 66.1 ° |
| Head Tube Length | 100 mm | 110 mm |
| Chainstay Length | 436 mm | 436 mm |
| Wheelbase | 1195 mm | 1229 mm |
| Bottom Bracket Drop | 43 mm | 43 mm |
| Standover Height | 680 mm | 678 mm |
| Wheels | 29" | 29" |
| Rider Min Height | 160 cm | 177 cm |
| Rider Max Height | 179 cm | 190 cm |




























































