Bike-on-Bike
Default Config
Default Config
Insights
Somewhat aggressive stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of CHIRU Alpin
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of VPACE Bikes T3ST
Geometry
Stack | 615mm | 620mm +5mm |
Reach | 443.8mm | 395mm -48.8mm |
Stack to Reach Ratio | 1.39:1 | 1.57:1 |
Seat Tube Length, C-T | 475mm | 580mm +105mm |
Top Tube Length, Effective/Horizontal Center | 600mm | 585mm -15mm |
Top Tube Slope | 15.4deg | 6.6deg -8.8deg |
Head Tube Angle | 68.3deg | 72deg +3.7deg |
Seat Tube Angle | 74.1deg | 73deg -1.1deg |
Head Tube Length | 180mm | 190mm +10mm |
Bottom Bracket Drop | 68mm | 72mm +4mm |
Bottom Bracket Height | 293mm | 279mm -14mm |
Chainstay Length | 435mm | 435mm +0mm |
Chainstay Length Horizontal | 429.7mm | 429mm -0.7mm |
Front-Center | 718.6mm | 629.8mm -88.8mm |
Front-Center Horizontal | 715.4mm | 625.6mm -89.8mm |
Wheelbase | 1145mm | 1054.6mm -90.4mm |
Fork Offset/Rake | 50mm | 50mm +0mm |
Fork Length (Axle-To-Crown) | 427mm | 400mm -27mm |
Trail | 89.9mm very high | 61.5mm -28.4mm mid/neutral |
Mechanical Trail | 83.5mm | 58.5mm -25mm |
Wheel Flop | 30.9mm | 18.1mm -12.8mm |
Tire to Pedal Spindle | 187.6mm 170 mm cranks | 108.8mm -78.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 123mm 170 mm cranks | 109mm -14mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 50mm | 40mm -10mm |
Tire Outer Diameter | 722mm | 702mm -20mm |
Bike Length with Tires | 1867mm | 1756.6mm -110.4mm |
| Suspension Type | Rigid, suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Titanium | Titanium |
| Fork Material | Titanium | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.chirubikes.com/en/kit-cadre/alpin/ | https://www.vpace.de/t3st-bikepacking-titanrahmen-speedtraveller-3?number=1002601&c=5 |
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