2024 Bona Bikes G31A Base 460 (S)

Build

700C/29 in × 45 mm

Insights

Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Bona Bikes G31A

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
552mm
Reach
361mm
Stack to Reach Ratio
1.53:1
Seat Tube Length, C-T
460mm
Top Tube Length, Effective/Horizontal Unknown
530mm
Top Tube Slope
12.8deg
Head Tube Angle
70deg
Seat Tube Angle
73deg
Head Tube Length
120mm
Bottom Bracket Drop
72mm
Bottom Bracket Height
284mm
Chainstay Length
440mm
Chainstay Length Horizontal
434.1mm
Front-Center
588mm
Front-Center Horizontal
584.9mm
Wheelbase
1019mm
Fork Offset/Rake
45mm
Fork Length, Unknown
407mm
Trail
81.7mm
very high
Mechanical Trail
76.8mm
Wheel Flop
26.3mm
Standover Height
704mm
Tire to Pedal Spindle Distance
With 170 mm cranks
62mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
114mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
45mm
Tire Outer Diameter
712mm
Bike Length with Tires
1731mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Titanium
Fork Material
Unknown
Brake Type
Unknown

Published Sizing Recommendations

Height
158 cm
to
168 cm
Source:http://www.bonabike.com/goods/Gr9-Titanium-Gravel-Road-Bike-Frame-700CX45C