2025 TanTan Cycling (Seraph) TT-X8 Base 53
Build
700C/29 in × 28 mm
Insights
Very aggressive stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 542.5mm |
| Reach | 424.6mm |
| Stack to Reach Ratio | 1.28:1 |
| Seat Tube Length, C-T | 530mm |
| Top Tube Length, Actual C-C | 570mm |
| Top Tube Slope | 3.1deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 147mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 405mm |
| Chainstay Length Horizontal | 398.9mm |
| Front-Center | 636.7mm |
| Front-Center Horizontal | 632.8mm |
| Wheelbase | 1031.7mm |
| Fork Offset/Rake | 43mm |
| Fork Length (On-Axis) | 367.5mm |
| Trail | 71.3mm high |
| Mechanical Trail | 67.4mm |
| Wheel Flop | 21.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 127.7mm |
| 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 | 1709.7mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:http://www.tantancycling.com/index.php?_m=mod_product&_a=view&p_id=963