2024 Silverback Siablo AL GRX Base S
Build
700C/29 in × 38 mm
Insights
Very aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 546mm |
| Reach | 416mm |
| Stack to Reach Ratio | 1.31:1 |
| Seat Tube Length, C-T | 475mm |
| Top Tube Length, Actual C-C | 578mm |
| Top Tube Slope | 9.3deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 56mm |
| Bottom Bracket Height | 293mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 441.5mm |
| Front-Center | 637mm |
| Front-Center Horizontal | 634.5mm |
| Wheelbase | 1076mm |
| Fork Offset/Rake | 37.8mm |
| Trail | 86.8mm very high |
| Mechanical Trail | 81.6mm |
| Wheel Flop | 27.9mm |
| Standover Height | 754mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 118mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 123mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1774mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://silverbackbikes.de/products/siablo-alloy-grx#tab4-0