2026 TanTan Cycling (Seraph) Gr209 Base 52
Build
700C/29 in × 45 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of TanTan Cycling (Seraph) Gr209
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 584mm |
| Reach | 399mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Effective/Horizontal Center | 572mm |
| Top Tube Slope | 8.9deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.6deg |
| Head Tube Length | 80mm |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length | 426mm |
| Chainstay Length Horizontal | 418.4mm |
| Front-Center | 619mm |
| Front-Center Horizontal | 623.6mm |
| Wheelbase | 1042mm |
| Fork Offset/Rake | 55mm |
| Fork Length, Unknown | 397mm |
| Trail | 57.8mm mid/neutral |
| Mechanical Trail | 55mm |
| Wheel Flop | 17mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 93mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 106mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1754mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 80mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://tantanbikes.com/Carbon-Frame-Disc-Brake-Gravel-Bike-Full-Hidden-Cable-Bicycle-Part-Carbon-Fiber-T1000-T47-Max-Tire-70050C-UDH-46T-GR209-p6970685.html