2025 TanTan Cycling (Seraph) TT-X71 Base 54
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 | 541mm |
| Reach | 384mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, Unknown | 502mm |
| Top Tube Length, Effective/Horizontal HT Top | 539mm |
| Top Tube Slope | 6.4deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 405mm |
| Chainstay Length Horizontal | 398.9mm |
| Front-Center | 593mm |
| Front-Center Horizontal | 588.1mm |
| Wheelbase | 987mm |
| Fork Offset/Rake | 53mm |
| Trail | 51.3mm mid/neutral |
| Mechanical Trail | 48.9mm |
| Wheel Flop | 14.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 84mm |
| 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 | 1665mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:http://tantancycling.com/index.php?_m=mod_product&_a=view&p_id=1199&__A=3b148223ab9502f82e0f044e49b4dd9691754495236_686574