2026 TanTan Cycling (Seraph) GR356 Base XL
Build
700C/29 in × 2.1 in
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of TanTan Cycling (Seraph) GR356
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 640mm |
| Reach | 398mm |
| Stack to Reach Ratio | 1.61:1 |
| Seat Tube Length, C-T | 518mm |
| Top Tube Length, Effective/Horizontal HT Top | 587.6mm |
| Top Tube Slope | 14.7deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 191mm |
| Bottom Bracket Drop | 86mm |
| Bottom Bracket Height | 278.3mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 431.5mm |
| Front-Center | 642mm |
| Front-Center Horizontal | 636.1mm |
| Wheelbase | 1067.6mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 409mm |
| Trail | 69.2mm high |
| Mechanical Trail | 65.6mm |
| Wheel Flop | 20.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 107.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 108.3mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.1in |
| Tire Outer Diameter | 728.7mm |
| Bike Length with Tires | 1796.3mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:www.tantanbicycles.com