2025 Ridley Bikes Ignite GTX Alpine gravel Base, 29x2.3, 100mm fork adjusted XL
Build
700C/29 in × 55 mm
Insights
Somewhat aggressive stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 642mm |
| Reach | 460mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, C-T | 535mm |
| Top Tube Length, Effective/Horizontal HT Top | 650mm |
| Top Tube Slope | 11.9deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 58mm |
| Bottom Bracket Height | 308mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 426.1mm |
| Front-Center | 728.2mm |
| Front-Center Horizontal | 725.9mm |
| Wheelbase | 1152mm |
| Fork Offset/Rake | 50.2mm |
| Trail | 79.8mm high |
| Mechanical Trail | 75mm |
| Wheel Flop | 25.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 192.2mm |
| 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 | 1884mm |
| 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