2025 TanTan Cycling (Seraph) GR208 Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
S | M | L | XL | |
Stack | 546mm | 565mm | 586mm | 607mm |
Reach | 369mm | 385mm | 395mm | 405mm |
Stack to Reach Ratio | 1.48:1 | 1.47:1 | 1.48:1 | 1.5:1 |
Seat Tube Length, Unknown | 450mm | 480mm | 510mm | 530mm |
Top Tube Length, Effective/Horizontal Unknown | 525mm | 547mm | 568mm | 585mm |
Top Tube Slope | 13deg | 11.3deg | 10.2deg | 10.1deg |
Head Tube Angle | 69.5deg | 69.5deg | 70deg | 70.5deg |
Seat Tube Angle | 74deg | 74deg | 73.5deg | 73.5deg |
Head Tube Length | 120mm | 140mm | 160mm | 180mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm |
Bottom Bracket Height | 278mm | 278mm | 278mm | 278mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 423.4mm | 423.4mm | 423.4mm | 423.4mm |
Front-Center | 603mm | 626mm | 639mm | 651mm |
Front-Center Horizontal | 598.6mm | 621.6mm | 634.6mm | 646.6mm |
Wheelbase | 1022mm | 1045mm | 1058mm | 1070mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm |
Fork Length (Axle-To-Crown) | 401mm | 401mm | 401mm | 401mm |
Trail | 78.6mm high | 78.6mm high | 75.3mm high | 72mm high |
Mechanical Trail | 73.6mm | 73.6mm | 70.7mm | 67.8mm |
Wheel Flop | 25.8mm | 25.8mm | 24.2mm | 22.6mm |
Standover Height | 768mm | 790mm | 816mm | 836mm |
Tire to Pedal Spindle | 85mm 165 mm cranks | 103mm 170 mm cranks | 113.5mm 172.5 mm cranks | 123mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 113mm 165 mm cranks | 108mm 170 mm cranks | 105.5mm 172.5 mm cranks | 103mm 175 mm cranks |
Base Build
S | M | L | XL | |
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 |
Tire Width | 42mm | 42mm | 42mm | 42mm |
Tire Width Max | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 706mm | 706mm | 706mm | 706mm |
Bike Length with Tires | 1728mm | 1751mm | 1764mm | 1776mm |
Crank Length | 165mm | 170mm | 172.5mm | 175mm |
Handlebar Width | 380mm | 400mm | 420mm | 440mm |
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://www.instagram.com/p/DKyMhy-JDSU/?hl=en&img_index=2