2026 TanTan Cycling (Seraph) TT-X68 Base 49
Build
700mm BSD × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of TanTan Cycling (Seraph) TT-X68
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 514mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, Unknown | 445mm |
| Top Tube Length, Effective/Horizontal Unknown | 508mm |
| Top Tube Slope | 9.7deg |
| Head Tube Angle | 71.75deg |
| Seat Tube Angle | 75.5deg |
| Head Tube Length | 109mm |
| Bottom Bracket Drop | 74mm |
| Bottom Bracket Height | 304mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.3mm |
| Front-Center | 574.5mm |
| Front-Center Horizontal | 569.7mm |
| Wheelbase | 973mm |
| Fork Offset/Rake | 47mm |
| Fork Length, Unknown | 370mm |
| Trail | 75.2mm high |
| Mechanical Trail | 71.4mm |
| Wheel Flop | 22.4mm |
| Standover Height | 715mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 31.5mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 139mm |
Base Build
| Wheel Size | 700mm BSD |
| Tire Width | 28mm |
| Tire Outer Diameter | 756mm |
| Bike Length with Tires | 1729mm |
| Crank Length | 165mm |
| Handlebar Width | 380mm |
| Stem Length | 80mm |
| Stem Angle | -7deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:www.tantanbicycles.com