2021 Jamis Bicycles Trail A2 21"
Build
650B/27.5 in × 2.25 in
Insights
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Seat Tube Length, C-T | 533mm |
| Top Tube Length, Effective/Horizontal Center | 660mm |
| Head Tube Angle | 68.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 50mm |
| Bottom Bracket Height | 299.2mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 432.1mm |
| Front-Center | 754mm |
| Front-Center Horizontal | 751.9mm |
| Wheelbase | 1184mm |
| Trail | — — |
| Standover Height | 831mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 234.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 129.2mm |
A2 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 698.3mm |
| Bike Length with Tires | 1882.3mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://99spokes.com/en/bikes/jamis/2021/trail-x-a2