2025 BTR Fabrications Ranger 650b/27.5" XXL
Build
650B/27.5 in × 2.3 in
Insights
Average stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Design deviates from other sizes of BTR Fabrications Ranger
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 638.3mm |
| Reach | 500mm |
| Stack to Reach Ratio | 1.28:1 |
| Seat Tube Length, Unknown | 455mm |
| Top Tube Length, Effective/Horizontal Unknown | 671mm |
| Top Tube Slope | 17.8deg |
| Head Tube Angle | 63.5deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 50.3mm |
| Bottom Bracket Height | 300.2mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 422mm |
| Front-Center | 844.6mm |
| Front-Center Horizontal | 843.1mm |
| Wheelbase | 1265.1mm |
| Fork Offset/Rake | 42mm |
| Fork Length (Axle-To-Crown) | 514mm |
| Trail | 127.8mm very high |
| Mechanical Trail | 114.4mm |
| Wheel Flop | 51mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 324.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 130.2mm |
650b/27.5" Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 700.8mm |
| Bike Length with Tires | 1966mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.btr-fabrications.com/products/ranger-frame/#frame-options