2020 CHIRU Chilkoot Base S
Build
700C/29 in × 40 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 530mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 500mm |
| Top Tube Length, Effective/Horizontal Center | 530mm |
| Top Tube Slope | 5.5deg |
| Head Tube Angle | 70.7deg |
| Seat Tube Angle | 74.2deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 66mm |
| Bottom Bracket Height | 285mm |
| Chainstay Length | 423mm |
| Chainstay Length Horizontal | 417.8mm |
| Front-Center | 594.9mm |
| Front-Center Horizontal | 591.2mm |
| Wheelbase | 1009mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 75.2mm high |
| Mechanical Trail | 71mm |
| Wheel Flop | 23.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 73.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 115mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1711mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 163 cm to 172 cm |
Source:http://www.chirubikes.com/frames-chilkoot