2020 BTR Fabrications Roamer Base Medium
Build
26 in × 4.6 in
Insights
Somewhat upright stack and reach vs trend of rigid fatbike bikes
Design deviates from other sizes of BTR Fabrications Roamer
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 645.1mm |
| Reach | 440mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal HT Top | 612.9mm |
| Head Tube Angle | 65.5deg |
| Effective Seat Tube Angle, ETT HT Top | 75deg |
| Seat Tube Exit Angle | 73.71deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70.3mm |
| Bottom Bracket Height | 326.1mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.3mm |
| Front-Center | 767mm |
| Front-Center Horizontal | 763.7mm |
| Wheelbase | 1193mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 511mm |
| Trail | 124.6mm very high |
| Mechanical Trail | 113.4mm |
| Wheel Flop | 47mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 200.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 156.1mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 4.6in |
| Tire Outer Diameter | 792.7mm |
| Bike Length with Tires | 1985.7mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 170 cm to 180 cm |
Source:https://www.btr-fabrications.com/products/roamer-frame/#frame-options