2021 TanTan Cycling (Seraph) GR039 Base 490
Build
700C/29 in × 42 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of TanTan Cycling (Seraph) GR039
Stack and Reach vs. Category Trend
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Geometry
| Stack | 535.2mm |
| Reach | 346mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 479mm |
| Top Tube Length, Effective/Horizontal HT Top | 520mm |
| Top Tube Slope | 9deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 63mm |
| Bottom Bracket Height | 290mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 420.3mm |
| Front-Center | 564.2mm |
| Front-Center Horizontal | 560.7mm |
| Wheelbase | 981mm |
| Fork Offset/Rake | 55mm |
| Fork Length (On-Axis) | 398mm |
| Trail | 76.6mm high |
| Mechanical Trail | 71.5mm |
| Wheel Flop | 25.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 41.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 120mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1687mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.aliexpress.com/item/4000453775800.html?spm=2114.12010612.8148356.1.70c43aa6k9Jazy