Bike-on-Bike
Default Config
Default Config
Insights
Somewhat upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of SPCYCLE G028
Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of XDS X-LAB GT8
Geometry
Stack | 614mm | 631mm +17mm |
Reach | 416mm | 408mm -8mm |
Stack to Reach Ratio | 1.48:1 | 1.55:1 |
Seat Tube Length, C-T | — | 577mm |
Seat Tube Length, C-TTT | 550mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 605mm |
Top Tube Length, Effective/Horizontal Unknown | 592mm | — |
Top Tube Slope | 6.6deg | 7.8deg +1.2deg |
Head Tube Angle | 71.2deg | 71deg -0.2deg |
Seat Tube Angle | 74deg | 73deg -1deg |
Head Tube Length | 177mm | 190mm +13mm |
Bottom Bracket Drop | 80mm | 80mm +0mm |
Bottom Bracket Height | 286mm | 276mm -10mm |
Chainstay Length | 435mm | 435mm +0mm |
Chainstay Length Horizontal | 427.6mm | 427.6mm +0mm |
Front-Center | 661mm | 655mm -6mm |
Front-Center Horizontal | 655.9mm | 650.4mm -5.5mm |
Wheelbase | 1083.5mm | 1078mm -5.5mm |
Fork Offset/Rake | 55mm | 49.8mm -5.2mm |
Fork Length, Unknown | 405mm | — |
Trail | 66.5mm high | 69.9mm +3.4mm high |
Mechanical Trail | 63mm | 66.1mm +3.1mm |
Wheel Flop | 20.3mm | 21.5mm +1.2mm |
Standover Height | — | 838mm |
Tire to Pedal Spindle | 125mm 170 mm cranks | 129mm +4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 116mm 170 mm cranks | 106mm -10mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 55mm | 45mm -10mm |
Tire Outer Diameter | 732mm | 712mm -20mm |
Bike Length with Tires | 1815.5mm | 1790mm -25.5mm |
| 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://velo.gravelo.ru/2026/04/22/spcycle-g028/ | https://xds.co/en-us/products/gt8#product-geometry |
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