2025 Ari Bicycles (Fezzari) 801 Base 27.5
Build
650B/27.5 in × 2.4 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Ari Bicycles (Fezzari) 801
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 595.7mm |
| Reach | 440mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, Unknown | 320mm |
| Top Tube Length, Effective/Horizontal Unknown | 600mm |
| Top Tube Slope | 28.7deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 42mm |
| Bottom Bracket Height | 311mm |
| Chainstay Length | 395mm |
| Chainstay Length Horizontal | 392.8mm |
| Fork Length (Axle-To-Crown) | 492mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 141mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 705.9mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
| Features | Single-speed capable |
Source:https://aribikes.com/products/801-dirt-jumperhttps://aribikes.com/products/801-dirt-jumper