2020 Genesis Bikes Datum Base S

Build

700C/29 in × 32 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
563mm
Reach
375mm
Stack to Reach Ratio
1.5:1
Seat Tube Length, C-T
490mm
Top Tube Length, Effective/Horizontal HT Top
542mm
Top Tube Slope
10.3deg
Head Tube Angle
72deg
Seat Tube Angle
73.5deg
Head Tube Length
135mm
Bottom Bracket Drop
72mm
Bottom Bracket Height
271mm
Chainstay Length
420mm
Chainstay Length Horizontal
413.8mm
Front-Center
591.6mm
Front-Center Horizontal
587.2mm
Wheelbase
1001mm
Fork Offset/Rake
50mm
Trail
58.9mm
mid/​neutral
Mechanical Trail
56mm
Wheel Flop
17.3mm
Standover Height
777mm
Tire to Pedal Spindle Distance
With 172.5 mm cranks
76.1mm
Pedal Spindle to Ground Clearance
With 172.5 mm cranks
98.5mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1687mm
Crank Length
172.5mm
Handlebar Width
420mm
Stem Length
100mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
164 cm
to
171 cm
Source:https://www.genesisbikes.co.uk/bike/datum