Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Somewhat upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of SPCYCLE G028
Geometry
Stack | 592mm | 574mm -18mm |
Reach | 387mm | 393mm +6mm |
Stack to Reach Ratio | 1.53:1 | 1.46:1 |
Seat Tube Length, C-T | 470mm | — |
Seat Tube Length, C-TTT | — | 480mm |
Top Tube Length, Effective/Horizontal HT Top | 556mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 558mm |
Top Tube Slope | 15.2deg | 10deg -5.2deg |
Head Tube Angle | 71deg | 71.2deg +0.2deg |
Seat Tube Angle | 74deg | 74deg +0deg |
Head Tube Length | 116mm | 135mm +19mm |
Bottom Bracket Drop | 85mm | 80mm -5mm |
Bottom Bracket Height | 271mm | 286mm +15mm |
Chainstay Length | 430mm | 435mm +5mm |
Chainstay Length Horizontal | 421.5mm | 427.6mm +6.1mm |
Front-Center | 626mm | 625mm -1mm |
Front-Center Horizontal | 619.5mm | 619.4mm -0.1mm |
Wheelbase | 1041mm | 1047mm +6mm |
Fork Offset/Rake | 55mm | 55mm +0mm |
Fork Length (Axle-To-Crown) | 391mm | — |
Fork Length, Unknown | — | 405mm |
Trail | 64.4mm mid/neutral | 66.5mm +2.1mm high |
Mechanical Trail | 60.9mm | 63mm +2.1mm |
Wheel Flop | 19.8mm | 20.3mm +0.5mm |
Standover Height | 754mm | — |
Tire to Pedal Spindle | 97.5mm 172.5 mm cranks | 89mm -8.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98.5mm 172.5 mm cranks | 116mm +17.5mm 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 | 1753mm | 1779mm +26mm |
Crank Length | 172.5mm | — |
Handlebar Width | 420mm | — |
Stem Length | 80mm | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Aluminum | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.specialized.com/diverge-4-comp-alloy-sram-apex/p/4223512?color=5448967-4223512 | https://velo.gravelo.ru/2026/04/22/spcycle-g028/ |
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