2026 TWITTER Bikes Gravel G2 Base M

Build

700C/29 in × 50 mm

Insights

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

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
576mm
Reach
380mm
Stack to Reach Ratio
1.52:1
Seat Tube Length, Unknown
480mm
Top Tube Length, Effective/Horizontal Unknown
551mm
Top Tube Slope
12.6deg
Head Tube Angle
72.5deg
Seat Tube Angle
73.5deg
Head Tube Length
150mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
291mm
Chainstay Length
440mm
Chainstay Length Horizontal
434.4mm
Front-Center
591mm
Front-Center Horizontal
586.6mm
Wheelbase
1021mm
Fork Offset/Rake
45mm
Fork Length, Unknown
395mm
Trail
66.6mm
high
Mechanical Trail
63.6mm
Wheel Flop
19.1mm
Standover Height
755mm
Tire to Pedal Spindle Distance
With 170 mm cranks
60mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
121mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
50mm
Tire Outer Diameter
722mm
Bike Length with Tires
1743mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
170 cm
to
180 cm
Source:https://www.twittercycles.com/products/gravel-G2max%20-hybrid-gravel-bike.html