2025 Speeder Cycling SC-R48D Base 520
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 550mm |
| Reach | 387mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Actual C-C | 550mm |
| Top Tube Slope | 5.7deg |
| Head Tube Angle | 73.5deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 149mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 408mm |
| Chainstay Length Horizontal | 402mm |
| Front-Center | 988mm |
| Front-Center Horizontal | 586.1mm |
| Wheelbase | 988mm |
| Fork Offset/Rake | 45mm |
| Fork Length (On-Axis) | 370mm |
| Trail | 53.5mm mid/neutral |
| Mechanical Trail | 51.3mm |
| Wheel Flop | 14.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 479mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1666mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.speedercycling.com/Carbon-Road-Disc-Frameset-SC-R48D-_p346.html