2025 TanTan Cycling (Seraph) GR208 Base XL
Build
700C/29 in × 42 mm
Insights
Somewhat aggressive 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 | 607mm |
| Reach | 405mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, Unknown | 530mm |
| Top Tube Length, Effective/Horizontal Unknown | 585mm |
| Top Tube Slope | 10.1deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 180mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.4mm |
| Front-Center | 651mm |
| Front-Center Horizontal | 646.6mm |
| Wheelbase | 1070mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 401mm |
| Trail | 72mm high |
| Mechanical Trail | 67.8mm |
| Wheel Flop | 22.6mm |
| Standover Height | 836mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 123mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 103mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1776mm |
| Crank Length | 175mm |
| Handlebar Width | 440mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.instagram.com/p/DKyMhy-JDSU/?hl=en&img_index=2