2021 Bulls Grinder Trail Grinder 49 cm
Build
650B/27.5 in × 47 mm
Insights
Somewhat aggressive 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 | 545mm |
| Reach | 385mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 490mm |
| Top Tube Length, Effective/Horizontal Center | 536mm |
| Top Tube Slope | 8deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74.5deg |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 259mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 432.7mm |
| Front-Center | 617.5mm |
| Front-Center Horizontal | 612.3mm |
| Wheelbase | 1045mm |
| Fork Offset/Rake | 50.1mm |
| Trail | 73.3mm high |
| Mechanical Trail | 68.6mm |
| Wheel Flop | 24mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 108.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 89mm |
Trail Grinder Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1723mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.bulls.de/de-de/produkt/bulls-trail-grinder-diamant?FARB=FARB_GL5TZHRM&RHOE=RHOE_55