2025 Speeder Cycling SC-R48D Base 490
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 529mm |
| Reach | 383mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 490mm |
| Top Tube Length, Actual C-C | 535mm |
| Top Tube Slope | 6.7deg |
| Head Tube Angle | 74deg |
| Seat Tube Angle | 72deg |
| Head Tube Length | 129mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 408mm |
| Chainstay Length Horizontal | 402mm |
| Front-Center | 982mm |
| Front-Center Horizontal | 580.1mm |
| Wheelbase | 982mm |
| Fork Offset/Rake | 45mm |
| Fork Length (On-Axis) | 370mm |
| Trail | 50.4mm mid/neutral |
| Mechanical Trail | 48.4mm |
| Wheel Flop | 13.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 473mm |
| 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 | 1660mm |
| 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