2025 Ridley Bikes Ignite GTX Alpine gravel Base, 29x2.3, 100mm fork adjusted L
Build
700C/29 in × 55 mm
Insights
Average stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 623mm |
| Reach | 440mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 485mm |
| Top Tube Length, Effective/Horizontal HT Top | 625mm |
| Top Tube Slope | 15.3deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 58mm |
| Bottom Bracket Height | 308mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 426.1mm |
| Front-Center | 702.3mm |
| Front-Center Horizontal | 699.9mm |
| Wheelbase | 1126mm |
| Fork Offset/Rake | 51mm |
| Trail | 78.9mm high |
| Mechanical Trail | 74.2mm |
| Wheel Flop | 25.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 166.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 138mm |
Base, 29x2.3, 100mm fork adjusted Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 55mm |
| Tire Outer Diameter | 732mm |
| Bike Length with Tires | 1858mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.ridley-bikes.com/en_US/bikes/SBIISXRID310