2025 TanTan Cycling (Seraph) GR208 Base S
Build
700C/29 in × 50 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of TanTan Cycling (Seraph) GR208
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 546mm |
| Reach | 369mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-TTT | 450mm |
| Top Tube Length, Effective/Horizontal HT Top | 525mm |
| Top Tube Slope | 10.7deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.4mm |
| Front-Center | 603mm |
| Front-Center Horizontal | 598.6mm |
| Wheelbase | 1022mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 401mm |
| Trail | 81.6mm very high |
| Mechanical Trail | 76.4mm |
| Wheel Flop | 26.8mm |
| Standover Height | 768mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 72mm |
| 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 | 1744mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://ae01.alicdn.com/kf/S0ccbfb82dc1540f292b0c05b8db8e3aaD.jpg