2025 T-Lab Bikes R1 Base 54-S
Build
700C/29 in × 32 mm
Insights
Average stack and reach vs trend of endurance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 557mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-TTT | 480mm |
| Top Tube Length, Effective/Horizontal Center | 534mm |
| Top Tube Slope | 8.5deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 273mm |
| Chainstay Length | 411mm |
| Chainstay Length Horizontal | 405mm |
| Front-Center | 584mm |
| Front-Center Horizontal | 584mm |
| Wheelbase | 989mm |
| Fork Offset/Rake | 47mm |
| Trail | 62mm mid/neutral |
| Mechanical Trail | 59mm |
| Wheel Flop | 18.2mm |
| Standover Height | 738mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 71mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 103mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1675mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 5 in to 5 ft 8 in |
Source:https://t-lab-bikes.com/en-ca/bikes/r1#bike-specs