2025 TanTan Cycling (Seraph) G40 Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS(410) | S(440) | M(470) | L(492) | XL(520) | |
Stack | 526mm | 555.7mm | 585.4mm | 604.7mm | 631mm |
Reach | 379mm | 385.7mm | 391.5mm | 400mm | 401.5mm |
Stack to Reach Ratio | 1.39:1 | 1.44:1 | 1.5:1 | 1.51:1 | 1.57:1 |
Seat Tube Length, C-T | 410mm | 440mm | 470mm | 492mm | 520mm |
Top Tube Length, Effective/Horizontal HT Top | 515mm | 532mm | 559mm | 579mm | 594mm |
Top Tube Slope | 15deg | 14.7deg | 14.4deg | 13.8deg | 13.6deg |
Seat Tube Angle | 75.5deg | 75.2deg | 74deg | 73.5deg | 73.1deg |
Head Tube Length | 93.7mm | 125.8mm | 158mm | 178mm | 206mm |
Bottom Bracket Drop | 77mm | 77mm | 77mm | 77mm | 77mm |
Bottom Bracket Height | 284mm | 284mm | 284mm | 284mm | 284mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm |
Front-Center | 634mm | 641mm | 646mm | 654.5mm | 656mm |
Front-Center Horizontal | 616mm | 631mm | 648mm | 663mm | 674mm |
Wheelbase | 1039mm | 1054mm | 1071mm | 1086mm | 1097mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | 50mm |
Fork Length, Unknown | 395mm | 395mm | 395mm | 395mm | 395mm |
Trail | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — |
Wheel Flop | — | — | — | — | — |
Standover Height | 710mm | 740mm | 770mm | 800mm | 830mm |
Tire to Pedal Spindle | 103mm 170 mm cranks | 110mm 170 mm cranks | 115mm 170 mm cranks | 123.5mm 170 mm cranks | 125mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 114mm 170 mm cranks | 114mm 170 mm cranks | 114mm 170 mm cranks | 114mm 170 mm cranks | 114mm 170 mm cranks |
Base Build
XS(410) | S(440) | M(470) | L(492) | XL(520) | |
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 | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Width Max | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 722mm | 722mm | 722mm | 722mm | 722mm |
Bike Length with Tires | 1761mm | 1776mm | 1793mm | 1808mm | 1819mm |
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
Progressive GravelSource:https://ja.aliexpress.com/item/1005008871467002.html?spm=a2g0o.productlist.0.0.c7772085AREoQS&_gl=1*eo0m5s*_gcl_aw*R0NMLjE3NTgyNjUxNjkuQ2owS0NRancyNjdHQmhDU0FSSXNBT2pWSjRGUUdEWUhoUDRzOGJ6Q2hzc2FHNVhvTmhzNkw1U2duSkR1UzcycF9kcElQUHFrWW1JMGthc2FBaDJVRUFMd193Y0I.*_gcl_dc*R0NMLjE3NTgyNjUxNjkuQ2owS0NRancyNjdHQmhDU0FSSXNBT2pWSjRGUUdEWUhoUDRzOGJ6Q2hzc2FHNVhvTmhzNkw1U2duSkR1UzcycF9kcElQUHFrWW1JMGthc2FBaDJVRUFMd193Y0I.*_gcl_au*MTY2OTUwNTU5OC4xNzU2Nzc2ODM1*_ga*MjAxMjU0NTQ4OC4xNzQ4OTI5Mjg0*_ga_VED1YSGNC7*czE3NTgyNTkyNDgkbzIzNyRnMSR0MTc1ODI2NTIzNiRqNjAkbDAkaDA.&gatewayAdapt=glo2jpn