Mason 1
Diamondback
Trail
Mason 1 is an alloy trail mountain bike (2023), by Diamondback, from the Mason lineup. Rider-wise, it fits riders looking for a balanced off-road setup, leaning toward a balanced riding position, with a surface profile that is best for smoother trails and efficient rolling. Its profile is strongest in areas like strong value-for-money versus many similar bikes, capable suspension support for rougher terrain, and all-round climbing capability rather than a narrow specialty. What it gives up slightly is a firmer ride feel than comfort-first options and less emphasis on outright speed than speed-focused builds. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
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 | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.4 mm | 1.35 mm | 1.34 mm | 1.33 mm |
| Bottom Bracket Height | 330 mm | 330 mm | 330 mm | 330 mm |
| Front Center | 684 mm | 702 mm | 720 mm | 739 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 99 mm | 95 mm | 99 mm | 96 mm |
| Stack | 593 mm | 593 mm | 607 mm | 620 mm |
| Reach | 424 mm | 438 mm | 454 mm | 465 mm |
| Top Tube Length | 593 mm | 608 mm | 628 mm | 643 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 420 mm | 460 mm | 510 mm | 560 mm |
| Head Tube Angle | 68 ° | 68 ° | 68 ° | 68 ° |
| Head Tube Length | 110 mm | 110 mm | 125 mm | 140 mm |
| Chainstay Length | 438 mm | 438 mm | 438 mm | 438 mm |
| Wheelbase | 1116 mm | 1134 mm | 1152 mm | 1171 mm |
| Bottom Bracket Drop | 55 mm | 55 mm | 55 mm | 55 mm |
| Standover Height | 730 mm | 755 mm | 791 mm | 826 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |




























































