2021 Bulls Grinder 3 61 cm
Build
650B/27.5 in × 40 mm
Insights
Very upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Bulls Grinder
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 664mm |
| Reach | 395mm |
| Stack to Reach Ratio | 1.68:1 |
| Seat Tube Length, C-T | 610mm |
| Top Tube Length, Effective/Horizontal HT Top | 604mm |
| Top Tube Slope | 8.1deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 72.5deg |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 262mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Front-Center | 640.6mm |
| Front-Center Horizontal | 636.7mm |
| Wheelbase | 1061mm |
| Fork Offset/Rake | 46.4mm |
| Trail | 59.1mm mid/neutral |
| Mechanical Trail | 56.3mm |
| Wheel Flop | 17.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 138.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 92mm |
3 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 664mm |
| Bike Length with Tires | 1725mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.bulls.de/at-de/produkt/bulls-grinder-3-2021-diamant