2026 TanTan Cycling (Seraph) Gr209 Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
44 | 46 | 49 | 52 | 55 | |
Stack | 535mm | 549.5mm | 570mm | 584mm | 608mm |
Reach | 375mm | 382mm | 392mm | 399mm | 404mm |
Stack to Reach Ratio | 1.43:1 | 1.44:1 | 1.45:1 | 1.46:1 | 1.5:1 |
Seat Tube Length, C-T | 440mm | 460mm | 490mm | 520mm | 550mm |
Top Tube Length, Effective/Horizontal Center | 259mm | 540.4mm | 559mm | 572mm | 583mm |
Top Tube Slope | 12.7deg | 11.9deg | 10.7deg | 8.9deg | 8.2deg |
Head Tube Angle | 71deg | 71deg | 71.5deg | 72deg | 71.7deg |
Seat Tube Angle | 73.9deg | 73.9deg | 73.7deg | 73.6deg | 73.5deg |
Head Tube Length | 80mm | 80mm | 80mm | 80mm | 80mm |
Bottom Bracket Drop | 80mm | 80mm | 80mm | 80mm | 80mm |
Bottom Bracket Height | 276mm | 276mm | 276mm | 276mm | 276mm |
Chainstay Length | 426mm | 426mm | 426mm | 426mm | 426mm |
Chainstay Length Horizontal | 418.4mm | 418.4mm | 418.4mm | 418.4mm | 418.4mm |
Front-Center | 595mm | 604mm | 619mm | 619mm | 638mm |
Front-Center Horizontal | 589.6mm | 598.6mm | 613.6mm | 623.6mm | 633.6mm |
Wheelbase | 1008mm | 1017mm | 1032mm | 1042mm | 1052mm |
Fork Offset/Rake | 55mm | 55mm | 55mm | 55mm | 55mm |
Fork Length, Unknown | 397mm | 397mm | 397mm | 397mm | 397mm |
Trail | 64.4mm mid/neutral | 64.4mm mid/neutral | 61.1mm mid/neutral | 57.8mm mid/neutral | 59.8mm mid/neutral |
Mechanical Trail | 60.9mm | 60.9mm | 58mm | 55mm | 56.8mm |
Wheel Flop | 19.8mm | 19.8mm | 18.4mm | 17mm | 17.8mm |
Tire to Pedal Spindle | 84mm 155 mm cranks | 88mm 160 mm cranks | 98mm 165 mm cranks | 93mm 170 mm cranks | 109.5mm 172.5 mm cranks |
Pedal Spindle to Ground Clearance | 121mm 155 mm cranks | 116mm 160 mm cranks | 111mm 165 mm cranks | 106mm 170 mm cranks | 103.5mm 172.5 mm cranks |
Base Build
44 | 46 | 49 | 52 | 55 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 45mm | 45mm | 45mm | 45mm | 45mm |
Tire Width Max | — | — | — | 50mm | 50mm |
Tire Outer Diameter | 712mm | 712mm | 712mm | 712mm | 712mm |
Bike Length with Tires | 1720mm | 1729mm | 1744mm | 1754mm | 1764mm |
Crank Length | 155mm | 160mm | 165mm | 170mm | 172.5mm |
Handlebar Width | 360mm | 360mm | 380mm | 420mm | 440mm |
Stem Length | 80mm | 80mm | 80mm | 80mm | 80mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
All-road/GravelSource:https://tantanbikes.com/Carbon-Frame-Disc-Brake-Gravel-Bike-Full-Hidden-Cable-Bicycle-Part-Carbon-Fiber-T1000-T47-Max-Tire-70050C-UDH-46T-GR209-p6970685.html