2025 Rise Grizzly Fat

Design
Flat Bar, Rigid, suspension corrected
Frame
Titanium
Fork
Carbon/Composite
Features
Disc brake
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

M
L
Stack
605mm
623mm
Reach
455mm
475mm
Stack to Reach Ratio
1.33:1
1.31:1
Seat Tube Length, C-T
425mm
445mm
Top Tube Length, Effective/Horizontal HT Top
604mm
629mm
Top Tube Slope
19.1deg
18.2deg
Head Tube Angle
67.5deg
67.5deg
Seat Tube Angle
76deg
76deg
Head Tube Length
105mm
125mm
Bottom Bracket Drop
70mm
70mm
Bottom Bracket Height
331.4mm
331.4mm
Chainstay Length
434mm
434mm
Chainstay Length Horizontal
428.3mm
428.3mm
Front-Center
720.1mm
748mm
Front-Center Horizontal
716.7mm
744.7mm
Wheelbase
1145mm
1173mm
Fork Offset/Rake
42mm
42mm
Fork Length (Axle-To-Crown)
489mm
489mm
Trail
120.8mm
very high
120.8mm
very high
Mechanical Trail
111.6mm
111.6mm
Wheel Flop
42.7mm
42.7mm
Tire to Pedal Spindle
148.7mm
170 mm cranks
176.6mm
170 mm cranks
Pedal Spindle to Ground Clearance
161.4mm
170 mm cranks
161.4mm
170 mm cranks

Fat Build

M
L
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
4.8in
4.8in
Tire Outer Diameter
802.8mm
802.8mm
Bike Length with Tires
1947.8mm
1975.8mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Rigid Fatbike
Source:https://rise-bikes.com/pages/grizzly-fat-bike#Geometry