2021 TanTan Cycling (Seraph) GR042 Base 450
Build
650B/27.5 in × 42 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of TanTan Cycling (Seraph) GR042
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 547.6mm |
| Reach | 377.7mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Effective/Horizontal HT Top | 539.9mm |
| Top Tube Slope | 12.9deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 264mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 414.1mm |
| Front-Center | 594.9mm |
| Front-Center Horizontal | 590.9mm |
| Wheelbase | 1005mm |
| Fork Offset/Rake | 55.2mm |
| Fork Length (On-Axis) | 390mm |
| Trail | 50.5mm mid/neutral |
| Mechanical Trail | 48.1mm |
| Wheel Flop | 14.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 90.9mm |
| 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 | 1673mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 100mm |
| Stem Angle | 0deg |
| 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=933