2025 Indigo Red Rock Base 56
Build
700C/29 in × 38 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 595mm |
| Reach | 383mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, Unknown | 510mm |
| Top Tube Length, Effective/Horizontal Center | 565mm |
| Top Tube Slope | 11.4deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 160mm |
| Bottom Bracket Drop | 69mm |
| Bottom Bracket Height | 280mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.5mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 110mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 10 in to 6 ft 0 in |
Source:https://indigobicycles.com/gravel/