2022 TanTan Cycling (Seraph) FM639 Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
Geometry
50 | 52 | 54 | 56 | 56 | |
Stack | 509mm | 528mm | 548mm | 572mm | 572mm |
Reach | 370mm | 375mm | 380mm | 389mm | 389mm |
Stack to Reach Ratio | 1.38:1 | 1.41:1 | 1.44:1 | 1.47:1 | 1.47:1 |
Seat Tube Length, C-T | — | — | 463mm | — | 486mm |
Top Tube Length, Effective/Horizontal HT Top | — | — | — | 564mm | — |
Top Tube Length, Effective/Horizontal Unknown | 526mm | 536mm | 548mm | — | 564mm |
Top Tube Slope | — | — | 11.5deg | — | 11.4deg |
Head Tube Angle | 71deg | 72deg | 73deg | 73deg | 73deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 105mm | 122mm | 140mm | 165mm | 165mm |
Bottom Bracket Drop | 72mm | 72mm | 72mm | 72mm | 72mm |
Bottom Bracket Height | 267mm | 267mm | 267mm | 264mm | 267mm |
Chainstay Length | 410mm | 410mm | 410mm | — | 410mm |
Chainstay Length Horizontal | 403.6mm | 403.6mm | 403.6mm | — | 403.6mm |
Front-Center | 573mm | 575mm | 577mm | 594mm | 594mm |
Front-Center Horizontal | 568.4mm | 570.4mm | 572.4mm | 589.6mm | 589.4mm |
Wheelbase | 972mm | 974mm | 976mm | 993mm | 993mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm |
Trail | 69.1mm high | 62.8mm mid/neutral | 56.6mm mid/neutral | 55.7mm mid/neutral | 56.6mm mid/neutral |
Mechanical Trail | 65.4mm | 59.8mm | 54.1mm | 53.2mm | 54.1mm |
Wheel Flop | 21.3mm | 18.5mm | 15.8mm | 15.6mm | 15.8mm |
Standover Height | 715mm | 730mm | 753mm | 784mm | 784mm |
Tire to Pedal Spindle | 64mm 170 mm cranks | 66mm 170 mm cranks | 68mm 170 mm cranks | 88mm 170 mm cranks | 85mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 97mm 170 mm cranks | 97mm 170 mm cranks | 94mm 170 mm cranks | 97mm 170 mm cranks |
Base Build
50 | 52 | 54 | 56 | 56 | |
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 | 28mm | 28mm | 28mm | 25mm | 28mm |
Tire Width Max | 28mm | 28mm | 28mm | — | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 672mm | 678mm |
Bike Length with Tires | 1650mm | 1652mm | 1654mm | 1665mm | 1671mm |
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
Performance RoadSource:https://www.seraphbikes.com/hidden-cable-disc-brake-road-bike-frame-fm639-bb86-press-fit-full-toray-t1000-max-tire-700x28c-custom-paint-p4715973.html, https://www.alibaba.com/product-detail/Seraph-clambing-Carbon-fiber-frame-cycling_62245354270.html