2017 Brother Cycles Big Bro Base SM
Build
700C/29 in × 2.4 in
Insights
Design deviates from other sizes of Brother Cycles Big Bro
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 584mm |
| Reach | 396mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 406mm |
| Top Tube Length, Effective/Horizontal HT Top | 575mm |
| Top Tube Slope | 20.8deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 95mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 312mm |
| Chainstay Length | 445mm |
| Chainstay Length Max | 445mm |
| Chainstay Length Horizontal | 440.9mm |
| Chainstay Length Horizontal Max | 440.9mm |
| Front-Center | 633.2mm |
| Front-Center Horizontal | 630.4mm |
| Wheelbase | 1071.3mm |
| Wheelbase Max | 1071.3mm |
| Fork Offset/Rake | 46mm |
| Trail | 82.9mm very high |
| Mechanical Trail | 78.2mm |
| Wheel Flop | 26.1mm |
| Standover Height | 776mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 91.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 142mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1815.2mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:Bike Counterculture Geometry Database