Bike-on-Bike
Default Config
Default Config
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Very upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Bulls Grinder
Geometry
Stack | 626mm | 664mm +38mm |
Reach | 411mm | 395mm -16mm |
Stack to Reach Ratio | 1.52:1 | 1.68:1 |
Seat Tube Length, C-T | 585mm | 610mm +25mm |
Top Tube Length, Effective/Horizontal HT Top | — | 604mm |
Top Tube Length, Effective/Horizontal Unknown | 590mm | — |
Top Tube Slope | 6.4deg | 8.1deg +1.7deg |
Head Tube Angle | 71deg | 72deg +1deg |
Seat Tube Angle | 74deg | 72.5deg -1.5deg |
Head Tube Length | 200mm | 240mm +40mm |
Bottom Bracket Drop | 70mm | 70mm +0mm |
Bottom Bracket Height | 276mm | 281mm +5mm |
Chainstay Length | 425mm | 430mm +5mm |
Chainstay Length Horizontal | 419.2mm | 424.3mm +5.1mm |
Front-Center | 658.5mm | 640.6mm -17.9mm |
Front-Center Horizontal | 654.8mm | 636.7mm -18.1mm |
Wheelbase | 1074mm | 1061mm -13mm |
Fork Offset/Rake | 50mm | 46.4mm -3.6mm |
Fork Length, Unknown | 405mm | — |
Trail | 66.3mm high | 65.3mm -1mm high |
Mechanical Trail | 62.7mm | 62.1mm -0.6mm |
Wheel Flop | 20.4mm | 19.2mm -1.2mm |
Standover Height | 837mm | — |
Tire to Pedal Spindle | 142.5mm 170 mm cranks | 119.6mm -22.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 106mm 170 mm cranks | 111mm +5mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 35mm | 40mm +5mm |
Tire Outer Diameter | 692mm | 702mm +10mm |
Bike Length with Tires | 1766mm | 1763mm -3mm |
Stem Angle | 6deg | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Aluminum | Aluminum |
| Fork Material | Aluminum | Carbon/Composite |
| Brake Type | Disc | Rim |
Meta
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| Source | https://www.bergamont.com/de/de/product/bgm-bike-grandurance-rd-5 | https://www.bulls.de/dam/jcr:95694425-c2b5-4c49-99a8-ffca6b44b7cb/Bulls_2020_Bike.pdf |
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