2025 BTR Fabrications Ripper Downhill S
Build
24 in × 2.2 in
Insights
Very aggressive stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 545.4mm |
| Reach | 330mm |
| Stack to Reach Ratio | 1.65:1 |
| Seat Tube Length, Unknown | 300mm |
| Top Tube Length, Effective/Horizontal Unknown | 486.4mm |
| Top Tube Slope | 31.9deg |
| Head Tube Angle | 62deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 30mm |
| Bottom Bracket Height | 279.4mm |
| Chainstay Length Horizontal | 370mm |
| Front-Center | 650mm |
| Front-Center Horizontal | 649.4mm |
| Wheelbase | 1019.4mm |
| Fork Offset/Rake | 40mm |
| Fork Length (Axle-To-Crown) | 493mm |
| Trail | 119.2mm very high |
| Mechanical Trail | 105.3mm |
| Wheel Flop | 49.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 170.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 109.4mm |
Downhill Build
| Wheel Size | 24 inch (507mm BSD) |
| Tire Width | 2.2in |
| Tire Outer Diameter | 618.8mm |
| Bike Length with Tires | 1638.1mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.btr-fabrications.com/products/ripper-dh-frame/#frame-options