Rootdown Frame
Chromag
Trail
Rootdown Frame is a steel trail mountain bike (2023), by Chromag, in the Rootdown series. This model is best for riders looking for a balanced off-road setup, leaning toward a balanced riding position, and is well suited to natural trails and mixed off-road terrain. Standout strengths from the metrics include strong value-for-money versus many similar bikes, all-round climbing capability rather than a narrow specialty, and balanced, versatile speed for everyday riding. The main trade-off is a firmer ride feel than comfort-first options and a setup that favors simplicity and efficiency over plush bump absorption. Use MatchBikes.com to compare this bike with nearby trail options.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Seat
Geometry
| Measurement | SM | MD | MD/LG | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.49 mm | 1.41 mm | 1.38 mm | 1.33 mm | 1.3 mm |
| Bottom Bracket Height | 320 mm | 320 mm | 320 mm | 320 mm | 320 mm |
| Front Center | 762 mm | 787 mm | 808 mm | 836 mm | 857 mm |
| Rake | 51 mm | 51 mm | 51 mm | 50 mm | 51 mm |
| Trail | 126 mm | 126 mm | 126 mm | 127 mm | 126 mm |
| Stack | 632 mm | 632 mm | 641 mm | 650 | 659 mm |
| Reach | 423 mm | 448 mm | 465 mm | 489 mm | 505 mm |
| Top Tube Length | 580 mm | 605 mm | 624 mm | 650 | 669 mm |
| Seat Tube Angle | 76 ° | 76 ° | 76 ° | 76 ° | 76 ° |
| Seat Tube Length | 368 mm | 406 mm | 431 mm | 456 mm | 494 mm |
| Head Tube Angle | 64 ° | 64 ° | 64 ° | 64 ° | 64 ° |
| Head Tube Length | 95 mm | 95 mm | 105 mm | 115 mm | 125 mm |
| Chainstay Length | 422 mm | 422 mm | 422 mm | 422 mm | 422 mm |
| Wheelbase | 1179 mm | 1204 mm | 1225 mm | 1253 mm | 1274 mm |
| Bottom Bracket Drop | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Standover Height | 679 mm | 716 mm | 740 mm | 764 mm | 801 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 155 cm | 163 cm | 172 cm | 181 cm | 190 cm |
| Rider Max Height | 165 cm | 174 cm | 183 cm | 192 cm | 200 cm |




























































