2021 TanTan Cycling (Seraph) GR041 Base 550
Build
650B/27.5 in × 42 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 573mm |
| Reach | 390mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 550mm |
| Top Tube Length, Effective/Horizontal HT Top | 560mm |
| Top Tube Slope | 4.8deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 264mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.3mm |
| Front-Center | 610mm |
| Front-Center Horizontal | 605.7mm |
| Wheelbase | 1035mm |
| Fork Offset/Rake | 49.7mm |
| Fork Length (On-Axis) | 395mm |
| Trail | 56.3mm mid/neutral |
| Mechanical Trail | 53.5mm |
| Wheel Flop | 16.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 106mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 94mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 668mm |
| Bike Length with Tires | 1703mm |
| 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=892