2026 FiddlyThings OX-I(de) Base 50
Build
650B/27.5 in × 47 mm
Insights
Somewhat aggressive stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of FiddlyThings OX-I(de)
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 555mm |
| Reach | 370mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 490mm |
| Top Tube Length, Effective/Horizontal Unknown | 545mm |
| Top Tube Slope | 9.4deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 274mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 440.2mm |
| Front-Center | 610mm |
| Front-Center Horizontal | 614.8mm |
| Wheelbase | 1055mm |
| Fork Offset/Rake | 55mm |
| Fork Length (Axle-To-Crown) | 445mm |
| Trail | 58.6mm mid/neutral |
| Mechanical Trail | 55.4mm |
| Wheel Flop | 18mm |
| Standover Height | 735mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 101mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 104mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1733mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Swept Back Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 5 in to 5 ft 8 in |
Source:None