2021 TWITTER Bikes R7 Base 54
Build
700C/29 in × 40 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 610.5mm |
| Reach | 407.3mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 540mm |
| Top Tube Length, Effective/Horizontal Center | 593.9mm |
| Top Tube Slope | 9.5deg |
| Head Tube Angle | 73.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 190mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 414.1mm |
| Front-Center | 628.7mm |
| Front-Center Horizontal | 624.9mm |
| Wheelbase | 1039mm |
| Fork Offset/Rake | 55mm |
| Fork Length (Axle-To-Crown) | 390mm |
| Trail | 46.6mm mid/neutral |
| Mechanical Trail | 44.7mm |
| Wheel Flop | 12.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 107.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1741mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:Taobao