2025 Ari Bicycles (Fezzari) 801 Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
100mm fork travel
Features
Disc brake, Single-speed capable
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

26
27.5
Stack
569mm
595.7mm
Reach
410mm
440mm
Stack to Reach Ratio
1.39:1
1.35:1
Seat Tube Length, Unknown
300mm
320mm
Top Tube Length, Effective/Horizontal Unknown
584mm
600mm
Top Tube Slope
29.6deg
28.7deg
Head Tube Angle
69deg
68deg
Seat Tube Angle
73deg
75deg
Head Tube Length
120mm
120mm
Bottom Bracket Drop
22.5mm
42mm
Bottom Bracket Height
314.2mm
311mm
Chainstay Length
385mm
395mm
Chainstay Length Horizontal
384.3mm
392.8mm
Fork Length (Axle-To-Crown)
480mm
492mm
Trail
Mechanical Trail
Wheel Flop
Pedal Spindle to Ground Clearance
144.2mm
170 mm cranks
141mm
170 mm cranks

Base Build

26
27.5
Wheel Size
26 in
559 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
2.25in
2.4in
Tire Outer Diameter
673.3mm
705.9mm

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
Hardtail Trail MTB
Source:https://aribikes.com/products/801-dirt-jumperhttps://aribikes.com/products/801-dirt-jumper