2024 Curtis AM9 Base S
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 625mm |
| Reach | 455mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, Unknown | 406.4mm |
| Top Tube Slope | 22.5deg |
| Head Tube Angle | 64.5deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 62mm |
| Bottom Bracket Height | 315mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 435.6mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 145mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 140mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.curtisbikes.co.uk/frames/enduro/curtis-am9/