Bike-on-Bike
Default Config
Default Config
Insights
Somewhat upright stack and reach vs trend of endurance road bikes
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A30M
Geometry
Stack | 548mm | 529mm -19mm |
Reach | 368mm | 374mm +6mm |
Stack to Reach Ratio | 1.49:1 | 1.41:1 |
Seat Tube Length, C-T | — | 490mm |
Seat Tube Length, C-TTT | 500mm | — |
Top Tube Length, Effective/Horizontal Center | 530.3mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 526mm |
Top Tube Slope | 5.5deg | 6.5deg +1deg |
Head Tube Angle | 72deg | 72deg +0deg |
Seat Tube Angle | 73.5deg | 74deg +0.5deg |
Head Tube Length | 138.8mm | 109mm -29.8mm |
Bottom Bracket Drop | 71.9mm | 73mm +1.1mm |
Bottom Bracket Height | 274.1mm | 266mm -8.1mm |
Chainstay Length | 422mm | 420mm -2mm |
Chainstay Length Horizontal | 415.8mm | 413.6mm -2.2mm |
Front-Center | 576.6mm | 572.1mm -4.5mm |
Front-Center Horizontal | 572.1mm | 567.4mm -4.7mm |
Wheelbase | 987.9mm | 981mm -6.9mm |
Fork Offset/Rake | 47mm | 43mm -4mm |
Fork Length, Unknown | 375mm | — |
Trail | 63mm mid/neutral | 64.9mm +1.9mm mid/neutral |
Mechanical Trail | 59.9mm | 61.8mm +1.9mm |
Wheel Flop | 18.5mm | 19.1mm +0.6mm |
Tire to Pedal Spindle | 60.6mm 170 mm cranks | 63.1mm +2.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 104.1mm 170 mm cranks | 96mm -8.1mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 35mm | 28mm -7mm |
Tire Outer Diameter | 692mm | 678mm -14mm |
Bike Length with Tires | 1679.9mm | 1659mm -20.9mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Titanium |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.xmcarbonspeed.cc/products/xmcs-gran-turismo-frameset | https://www.serk.cc/a30m/ |
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