2026 TWITTER Bikes Gravel G2 Base XXL
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 | 633mm |
| Reach | 401mm |
| Stack to Reach Ratio | 1.58:1 |
| Seat Tube Length, Unknown | 570mm |
| Top Tube Length, Effective/Horizontal Unknown | 595mm |
| Top Tube Slope | 8.8deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 205mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 291mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 434.4mm |
| Front-Center | 629mm |
| Front-Center Horizontal | 625.6mm |
| Wheelbase | 1060mm |
| Fork Offset/Rake | 45mm |
| Fork Length, Unknown | 395mm |
| Trail | 66.6mm high |
| Mechanical Trail | 63.6mm |
| Wheel Flop | 19.1mm |
| Standover Height | 839mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 98mm |
| 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 | 1782mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 195 cm to 210 cm |
Source:https://www.twittercycles.com/products/gravel-G2max%20-hybrid-gravel-bike.html