2017 Brother Cycles Big Bro Base MD

Build

700C/29 in × 2.4 in

Insights

Average stack and reach vs trend of rigid mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
591mm
Reach
414mm
Stack to Reach Ratio
1.43:1
Seat Tube Length, C-T
457mm
Top Tube Length, Effective/Horizontal HT Top
595mm
Top Tube Slope
15.7deg
Head Tube Angle
71deg
Seat Tube Angle
73deg
Head Tube Length
100mm
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
648.3mm
Front-Center Horizontal
645.5mm
Wheelbase
1086.4mm
Wheelbase Max
1086.4mm
Fork Offset/Rake
46mm
Trail
79.4mm
high
Mechanical Trail
75.1mm
Wheel Flop
24.5mm
Standover Height
804mm
Tire to Pedal Spindle Distance
With 170 mm cranks
106.3mm
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
1830.4mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Source:Bike Counterculture Geometry Database