2025 T-Lab Bikes R1 Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
52-XS | 54-S | 56-M | 58-L | 60-XL | |
Stack | 534mm | 557mm | 578mm | 597mm | 616mm |
Reach | 370mm | 375mm | 389mm | 400mm | 411mm |
Stack to Reach Ratio | 1.44:1 | 1.49:1 | 1.49:1 | 1.49:1 | 1.5:1 |
Seat Tube Length, C-TTT | 450mm | 480mm | 510mm | 540mm | 560mm |
Top Tube Length, Effective/Horizontal Center | 522mm | 534mm | 554mm | 570mm | 587mm |
Top Tube Slope | 9.4deg | 8.5deg | 7.4deg | 6.1deg | 5.9deg |
Head Tube Angle | 71deg | 72deg | 72.5deg | 72.5deg | 72.5deg |
Seat Tube Angle | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 130mm | 150mm | 170mm | 190mm | 210mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 273mm | 273mm | 273mm | 273mm | 273mm |
Chainstay Length | 411mm | 411mm | 411mm | 411mm | 411mm |
Chainstay Length Horizontal | 405mm | 405mm | 405mm | 405mm | 405mm |
Front-Center | 579mm | 584mm | 598mm | 615mm | 632mm |
Front-Center Horizontal | 580mm | 584mm | 598mm | 615mm | 632mm |
Wheelbase | 985mm | 989mm | 1003mm | 1020mm | 1037mm |
Fork Offset/Rake | 47mm | 47mm | 47mm | 47mm | 47mm |
Trail | 68.4mm high | 62mm mid/neutral | 58.9mm mid/neutral | 58.9mm mid/neutral | 58.9mm mid/neutral |
Mechanical Trail | 64.7mm | 59mm | 56.1mm | 56.1mm | 56.1mm |
Wheel Flop | 21.1mm | 18.2mm | 16.9mm | 16.9mm | 16.9mm |
Standover Height | 721mm | 738mm | 775mm | 801mm | 820mm |
Tire to Pedal Spindle | 66mm 170 mm cranks | 71mm 170 mm cranks | 85mm 170 mm cranks | 102mm 170 mm cranks | 119mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks |
Base Build
52-XS | 54-S | 56-M | 58-L | 60-XL | |
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 |
Tire Width | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Outer Diameter | 686mm | 686mm | 686mm | 686mm | 686mm |
Bike Length with Tires | 1671mm | 1675mm | 1689mm | 1706mm | 1723mm |
Published Sizing Recommendations
Height | 5 ft 1 in to 5 ft 4 in | 5 ft 5 in to 5 ft 8 in | 5 ft 9 in to 6 ft 0 in | 6 ft 0 in to 6 ft 4 in | 6 ft 4 in to 6 ft 6 in |
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
Endurance RoadSource:https://t-lab-bikes.com/en-ca/bikes/r1#bike-specs