2025 Rise Grizzly Fat M
Build
26 in × 4.8 in
Insights
Somewhat aggressive stack and reach vs trend of rigid fatbike bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 605mm |
| Reach | 455mm |
| Stack to Reach Ratio | 1.33:1 |
| Seat Tube Length, C-T | 425mm |
| Top Tube Length, Effective/Horizontal HT Top | 604mm |
| Top Tube Slope | 19.1deg |
| Head Tube Angle | 67.5deg |
| Seat Tube Angle | 76deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 331.4mm |
| Chainstay Length | 434mm |
| Chainstay Length Horizontal | 428.3mm |
| Front-Center | 720.1mm |
| Front-Center Horizontal | 716.7mm |
| Wheelbase | 1145mm |
| Fork Offset/Rake | 42mm |
| Fork Length (Axle-To-Crown) | 489mm |
| Trail | 120.8mm very high |
| Mechanical Trail | 111.6mm |
| Wheel Flop | 42.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 148.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 161.4mm |
Fat Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 4.8in |
| Tire Outer Diameter | 802.8mm |
| Bike Length with Tires | 1947.8mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://rise-bikes.com/pages/grizzly-fat-bike#Geometry