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
Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category |
Geometry
S | S | M | M | L | L | XL | XL | |
Stack | 546mm | 546mm | 565mm | 565mm | 586mm | 586mm | 607mm | 607mm |
Reach | 369mm | 369mm | 385mm | 385mm | 395mm | 395mm | 405mm | 405mm |
Stack to Reach Ratio | 1.48:1 | 1.48:1 | 1.47:1 | 1.47:1 | 1.48:1 | 1.48:1 | 1.5:1 | 1.5:1 |
Seat Tube Length, C-TTT | — | 450mm | — | 480mm | — | 510mm | — | 530mm |
Seat Tube Length, Unknown | 450mm | — | 480mm | — | 510mm | — | 530mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 525mm | — | 547mm | — | 568mm | — | 585mm |
Top Tube Length, Effective/Horizontal Unknown | 525mm | — | 547mm | — | 568mm | — | 585mm | — |
Top Tube Slope | 13deg | 10.7deg | 11.3deg | 9.2deg | 10.2deg | 8.1deg | 10.1deg | 8.1deg |
Head Tube Angle | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 70deg | 70deg | 70.5deg | 70.5deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 120mm | 120mm | 140mm | 140mm | 160mm | 160mm | 180mm | 180mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm |
Bottom Bracket Height | 278mm | 286mm | 278mm | 286mm | 278mm | 286mm | 278mm | 286mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 423.4mm | 423.4mm | 423.4mm | 423.4mm | 423.4mm | 423.4mm | 423.4mm | 423.4mm |
Front-Center | 603mm | 603mm | 626mm | 626mm | 639mm | 639mm | 651mm | 651mm |
Front-Center Horizontal | 598.6mm | 598.6mm | 621.6mm | 621.6mm | 634.6mm | 634.6mm | 646.6mm | 646.6mm |
Wheelbase | 1022mm | 1022mm | 1045mm | 1045mm | 1058mm | 1058mm | 1070mm | 1070mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Fork Length (Axle-To-Crown) | 401mm | 401mm | 401mm | 401mm | 401mm | 401mm | 401mm | 401mm |
Trail | 78.6mm high | 81.6mm very high | 78.6mm high | 81.6mm very high | 75.3mm high | 78.2mm high | 72mm high | 74.8mm high |
Mechanical Trail | 73.6mm | 76.4mm | 73.6mm | 76.4mm | 70.7mm | 73.5mm | 67.8mm | 70.5mm |
Wheel Flop | 25.8mm | 26.8mm | 25.8mm | 26.8mm | 24.2mm | 25.1mm | 22.6mm | 23.5mm |
Standover Height | 768mm | 768mm | 790mm | 790mm | 816mm | 816mm | 836mm | 836mm |
Tire to Pedal Spindle | 85mm 165 mm cranks | 72mm 170 mm cranks | 103mm 170 mm cranks | 95mm 170 mm cranks | 113.5mm 172.5 mm cranks | 108mm 170 mm cranks | 123mm 175 mm cranks | 120mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 113mm 165 mm cranks | 116mm 170 mm cranks | 108mm 170 mm cranks | 116mm 170 mm cranks | 105.5mm 172.5 mm cranks | 116mm 170 mm cranks | 103mm 175 mm cranks | 116mm 170 mm cranks |
Base Build
S | S | M | M | L | L | XL | 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 | 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 | 50mm | 42mm | 50mm | 42mm | 50mm | 42mm | 50mm |
Tire Width Max | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 706mm | 722mm | 706mm | 722mm | 706mm | 722mm | 706mm | 722mm |
Bike Length with Tires | 1728mm | 1744mm | 1751mm | 1767mm | 1764mm | 1780mm | 1776mm | 1792mm |
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, https://ae01.alicdn.com/kf/S0ccbfb82dc1540f292b0c05b8db8e3aaD.jpg