2025 Brother Cycles Big Bro 29x2
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake, Single-speed capable
Average stack and reachvs category |
Geometry
Medium (18) | |
Stack | 605mm |
Reach | 410mm |
Stack to Reach Ratio | 1.48:1 |
Seat Tube Length, C-T | 457mm |
Top Tube Length, Effective/Horizontal Unknown | 595mm |
Top Tube Length, Actual C-C | 571mm |
Top Tube Slope | 17.2deg |
Head Tube Angle | 70deg |
Seat Tube Angle | 73deg |
Head Tube Length | 100mm |
Bottom Bracket Drop | 60mm |
Bottom Bracket Height | 308.2mm |
Chainstay Length | 445mm |
Chainstay Length Horizontal | 440.9mm |
Front-Center | 659.8mm |
Front-Center Horizontal | 657.1mm |
Wheelbase | 1098mm |
Fork Offset/Rake | 46mm |
Fork Length (Axle-To-Crown) | 483mm |
Trail | 85mm very high |
Mechanical Trail | 79.9mm |
Wheel Flop | 27.3mm |
Standover Height | 810mm |
Tire to Pedal Spindle | 121.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 138.2mm 170 mm cranks |
29x2 Build
Medium (18) | |
Wheel Size | 700C/29 in 622 mm BSD |
Tire Width | 2.25in |
Tire Width Max | 2.6in |
Tire Outer Diameter | 736.3mm |
Bike Length with Tires | 1834.3mm |
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
Rigid MTB