2025 Triban GRVL AF GRX M 5'8"-5'11" (173-181 cm)
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
View all sizes
Geometry
| Stack | 572mm |
| Reach | 391mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-TTT | 500mm |
| Top Tube Length, Effective/Horizontal HT Top | 560mm |
| Top Tube Slope | 7.8deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 155mm |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 284mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.8mm |
| Front-Center | 625.8mm |
| Front-Center Horizontal | 622.2mm |
| Wheelbase | 1052mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 396mm |
| Trail | 79.9mm high |
| Mechanical Trail | 75.1mm |
| Wheel Flop | 25.7mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 102.3mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 111.5mm |
GRX Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1754mm |
| Crank Length | 172.5mm |
| Handlebar Width | 44cm |
| Stem Length | 80mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 173 cm to 181 cm |
Source:https://www.decathlon.pl/p/rower-gravelowy-triban-grvl-grx-af-2x12/_/R-p-343001