2013 Btwin Triban 3a 43
Build
650C × 21 mm
Insights
Somewhat upright stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Btwin Triban
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 463mm |
| Reach | 336mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-C | 325mm |
| Top Tube Length, Effective/Horizontal HT Top | 460mm |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 40mm |
| Bottom Bracket Height | 266.5mm |
| Chainstay Length | 385mm |
| Chainstay Length Horizontal | 382.9mm |
| Front-Center | 525mm |
| Front-Center Horizontal | 539.1mm |
| Wheelbase | 922mm |
| Fork Offset/Rake | 41mm |
| Trail | 62.2mm mid/neutral |
| Mechanical Trail | 58.8mm |
| Wheel Flop | 19.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 48.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 96.5mm |
3a Build
| Wheel Size | 650C (571mm BSD) |
| Tire Width | 21mm |
| Tire Outer Diameter | 613mm |
| Bike Length with Tires | 1535mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://triban3owners.freeforums.net/thread/5105/triban-geometry