2025 TanTan Cycling (Seraph) GR048 Base M
Build
700C/29 in × 50 mm
Insights
Very upright stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 579mm |
| Reach | 373mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 480mm |
| Top Tube Length, Effective/Horizontal Center | 539mm |
| Top Tube Slope | 13.1deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.3mm |
| Front-Center | 604mm |
| Front-Center Horizontal | 599.7mm |
| Wheelbase | 1018mm |
| Fork Offset/Rake | 50mm |
| Fork Length (On-Axis) | 400mm |
| Trail | 71.4mm high |
| Mechanical Trail | 67.5mm |
| Wheel Flop | 22mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 73mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 722mm |
| Bike Length with Tires | 1740mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Aero Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.seraphbikes.com/Carbon-Fiber-T1000-Gravel-Bike-Frame-GR048-Green-Pink-paint-Speckled-Design-T47-Bottom-Bracket-p6853170.html