2025 BTR Fabrications Ranger 650b/27.5"
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XS | S | M | L | XL | XXL | |
Stack | 624.4mm | 624.4mm | 624.4mm | 633.3mm | 642.3mm | 638.3mm |
Reach | 400mm | 420mm | 440mm | 460mm | 480mm | 500mm |
Stack to Reach Ratio | 1.56:1 | 1.49:1 | 1.42:1 | 1.38:1 | 1.34:1 | 1.28:1 |
Seat Tube Length, Unknown | 380mm | 400mm | 420mm | 440mm | 455mm | 455mm |
Top Tube Length, Effective/Horizontal Unknown | 567.3mm | 587.3mm | 607.3mm | 629.7mm | 652.1mm | 671mm |
Top Tube Slope | 27.3deg | 24.5deg | 21.7deg | 20deg | 18.7deg | 17.8deg |
Head Tube Angle | 63.5deg | 63.5deg | 63.5deg | 63.5deg | 63.5deg | 63.5deg |
Seat Tube Angle | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg |
Head Tube Length | 130mm | 130mm | 130mm | 140mm | 150mm | 150mm |
Bottom Bracket Drop | 54.3mm | 54.3mm | 54.3mm | 54.3mm | 54.3mm | 50.3mm |
Bottom Bracket Height | 296.2mm | 296.2mm | 296.2mm | 296.2mm | 296.2mm | 300.2mm |
Chainstay Length | 410mm | 410mm | 415mm | 415mm | 420mm | 425mm |
Chainstay Length Horizontal | 406.4mm | 406.4mm | 411.4mm | 411.4mm | 416.5mm | 422mm |
Front-Center | 736.8mm | 756.7mm | 776.7mm | 801.1mm | 825.4mm | 844.6mm |
Front-Center Horizontal | 734.8mm | 754.8mm | 774.8mm | 799.2mm | 823.6mm | 843.1mm |
Wheelbase | 1141.2mm | 1161.2mm | 1186.2mm | 1210.7mm | 1240.1mm | 1265.1mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Fork Length (Axle-To-Crown) | 514mm | 514mm | 514mm | 514mm | 514mm | 514mm |
Trail | 127.8mm very high | 127.8mm very high | 127.8mm very high | 127.8mm very high | 127.8mm very high | 127.8mm very high |
Mechanical Trail | 114.4mm | 114.4mm | 114.4mm | 114.4mm | 114.4mm | 114.4mm |
Wheel Flop | 51mm | 51mm | 51mm | 51mm | 51mm | 51mm |
Tire to Pedal Spindle | 216.4mm 170 mm cranks | 236.3mm 170 mm cranks | 256.2mm 170 mm cranks | 280.6mm 170 mm cranks | 305mm 170 mm cranks | 324.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 126.2mm 170 mm cranks | 126.2mm 170 mm cranks | 126.2mm 170 mm cranks | 126.2mm 170 mm cranks | 126.2mm 170 mm cranks | 130.2mm 170 mm cranks |
650b/27.5" Build
XS | S | M | L | XL | XXL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in |
Tire Outer Diameter | 700.8mm | 700.8mm | 700.8mm | 700.8mm | 700.8mm | 700.8mm |
Bike Length with Tires | 1842mm | 1862mm | 1887mm | 1911.5mm | 1941mm | 1966mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail All-mountain/Enduro MTBSource:https://www.btr-fabrications.com/products/ranger-frame/#frame-options