2025 TanTan Cycling (Seraph) Tt928 Base 56
Build
700C/29 in × 28 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 523mm |
| Reach | 434mm |
| Stack to Reach Ratio | 1.21:1 |
| Seat Tube Length, C-TTT | 560mm |
| Top Tube Length, Effective/Horizontal Center | 550mm |
| Top Tube Slope | -4.4deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 77.5deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 264mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.1mm |
| Front-Center | 587mm |
| Front-Center Horizontal | 626.9mm |
| Wheelbase | 1030mm |
| Fork Offset/Rake | 45mm |
| Fork Length, Unknown | 370mm |
| Trail | 62.8mm mid/neutral |
| Mechanical Trail | 59.8mm |
| Wheel Flop | 18.5mm |
| Standover Height | 805mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 78mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 94mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1708mm |
| Handlebar Width | 420mm |
| Stem Length | 100mm |
| Stem Angle | -18deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Aero Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.seraphbikes.com/UDH-Carbon-Time-Trial-Bicycle-Frame-TT928-TT-Bike-Frame-Aero-Triathlon-Bike-Frameset-High-Quality-Disc-Brake-Max-Tire-70030C-p6901419.html