2023 Unibike Geos Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
49cm | 51cm | 53cm | 53 | 55cm | 55cm | |
Stack | 560mm | 576mm | 590mm | 590mm | 612mm | 612mm |
Reach | 374mm | 379mm | 389mm | 389mm | 392mm | 392mm |
Stack to Reach Ratio | 1.5:1 | 1.52:1 | 1.52:1 | 1.52:1 | 1.56:1 | 1.56:1 |
Seat Tube Length, C-T | 490mm | 510mm | 530mm | — | 550mm | — |
Seat Tube Length, Unknown | — | — | — | 530mm | — | 550mm |
Top Tube Length, Effective/Horizontal HT Top | 535mm | 555mm | 570mm | — | 585mm | 585mm |
Top Tube Length, Effective/Horizontal Unknown | — | — | — | 570mm | — | — |
Top Tube Slope | — | — | — | 8.7deg | — | 8.9deg |
Head Tube Angle | 71deg | 71deg | 71deg | 71deg | 71deg | 71deg |
Seat Tube Angle | — | — | — | 73deg | — | 73deg |
Effective Seat Tube Angle, Seat Tube Top | 73deg | 73deg | 73deg | — | 73deg | — |
Head Tube Length | 125mm | 145mm | 160mm | 160mm | 185mm | 185mm |
Bottom Bracket Drop | — | — | — | — | — | 70mm |
Bottom Bracket Height | — | — | — | — | — | 281mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal | — | — | — | — | — | 434.4mm |
Front-Center | — | — | — | — | — | 630.5mm |
Front-Center Horizontal | — | — | — | — | — | 626.6mm |
Wheelbase | 1024mm | 1035mm | 1050mm | 1050mm | 1061mm | 1061mm |
Fork Offset/Rake | — | — | — | — | — | 45.4mm |
Trail | — — | — — | — — | — — | — — | 72.9mm high |
Mechanical Trail | — | — | — | — | — | 68.9mm |
Wheel Flop | — | — | — | — | — | 22.4mm |
Standover Height | — | — | — | 790mm | — | 810mm |
Tire to Pedal Spindle | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | 104.5mm 175 mm cranks |
Pedal Spindle to Ground Clearance | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | 106mm 175 mm cranks |
Base Build
49cm | 51cm | 53cm | 53 | 55cm | 55cm | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 1.5in | 1.5in | 1.5in | 38mm | 1.5in | 40mm |
Tire Width Max | — | — | — | 45mm | — | — |
Tire Outer Diameter | 711.2mm | 711.2mm | 711.2mm | 698mm | 711.2mm | 702mm |
Bike Length with Tires | 1735.2mm | 1746.2mm | 1761.2mm | 1748mm | 1772.2mm | 1763mm |
Crank Length | — | — | — | — | — | 175mm |
Handlebar Width | — | — | — | — | — | 440mm |
Stem Length | — | — | — | — | — | 120mm |
Published Sizing Recommendations
Height | 750 cm to | 770 cm to | 790 cm to | — | 810 cm to | — |
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
All-road/GravelSource:https://www.unibike.pl/geos.html, http:unibike.pl/geos.html