Bike-on-Bike
Default Config
Default Config
Insights
Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of XDS X-LAB GT8
Somewhat upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of SPCYCLE G028
Geometry
Stack | 607mm | 595mm -12mm |
Reach | 399mm | 405.5mm +6.5mm |
Stack to Reach Ratio | 1.52:1 | 1.47:1 |
Seat Tube Length, C-T | 532mm | — |
Seat Tube Length, C-TTT | — | 520mm |
Top Tube Length, Effective/Horizontal HT Top | 585mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 576mm |
Top Tube Slope | 10.1deg | 7.8deg -2.3deg |
Head Tube Angle | 71deg | 71.2deg +0.2deg |
Seat Tube Angle | 73deg | 74deg +1deg |
Head Tube Length | 165mm | 157mm -8mm |
Bottom Bracket Drop | 80mm | 80mm +0mm |
Bottom Bracket Height | 276mm | 286mm +10mm |
Chainstay Length | 435mm | 435mm +0mm |
Chainstay Length Horizontal | 427.6mm | 427.6mm +0mm |
Front-Center | 638mm | 644mm +6mm |
Front-Center Horizontal | 633.4mm | 638.4mm +5mm |
Wheelbase | 1061mm | 1066mm +5mm |
Fork Offset/Rake | 50.1mm | 55mm +4.9mm |
Fork Length, Unknown | — | 405mm |
Trail | 69.6mm high | 66.5mm -3.1mm high |
Mechanical Trail | 65.8mm | 63mm -2.8mm |
Wheel Flop | 21.4mm | 20.3mm -1.1mm |
Standover Height | 807mm | — |
Tire to Pedal Spindle | 112mm 170 mm cranks | 108mm -4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 106mm 170 mm cranks | 116mm +10mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 45mm | 55mm +10mm |
Tire Outer Diameter | 712mm | 732mm +20mm |
Bike Length with Tires | 1773mm | 1798mm +25mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://xds.co/en-us/products/gt8#product-geometry | https://velo.gravelo.ru/2026/04/22/spcycle-g028/ |
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