2024 CHIRU Fukai Base S
Build
700C/29 in × 2.6 in
Insights
Very aggressive stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of CHIRU Fukai
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 582mm |
| Reach | 429mm |
| Stack to Reach Ratio | 1.36:1 |
| Seat Tube Length, Unknown | 485mm |
| Top Tube Length, Effective/Horizontal Unknown | 580mm |
| Top Tube Slope | 11.6deg |
| Head Tube Angle | 68.6deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 304mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428.8mm |
| Front-Center | 686.1mm |
| Front-Center Horizontal | 682.2mm |
| Wheelbase | 1111mm |
| Fork Offset/Rake | 50mm |
| Fork Length, Unknown | 430mm |
| Trail | 94.1mm very high |
| Mechanical Trail | 87.6mm |
| Wheel Flop | 32mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 139mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 134mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1865.1mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Titanium |
| Brake Type | Disc |
Source:https://www.chirubikes.com/en/kit-cadre/fukai/