2020 TanTan Cycling (Seraph) GR039 Base 520
Build
650B/27.5 in × 45 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
View all sizes
Geometry
| Stack | 542.2mm |
| Reach | 361.1mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, Unknown | 490mm |
| Top Tube Length, Effective/Horizontal HT Top | 545mm |
| Top Tube Slope | 8.5deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 72deg |
| Head Tube Length | 133mm |
| Bottom Bracket Drop | 56mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 421.3mm |
| Front-Center | 586.5mm |
| Front-Center Horizontal | 584.7mm |
| Wheelbase | 1006mm |
| Fork Offset/Rake | 45mm |
| Fork Length, Unknown | 400mm |
| Trail | 71.6mm high |
| Mechanical Trail | 67.5mm |
| Wheel Flop | 22.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 79.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 674mm |
| Bike Length with Tires | 1680mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:http://tantancycling.com/index.php?_m=mod_product&_a=view&p_id=829