2024 First Shelby Base 19
Build
700C/29 in × 2.2 mm
Insights
Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of First Shelby
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 598mm |
| Reach | 430mm |
| Stack to Reach Ratio | 1.39:1 |
| Seat Tube Length, C-T | 483mm |
| Top Tube Length, Effective/Horizontal HT Top | 625mm |
| Top Tube Slope | 13.4deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 72.4deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 253.2mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 435.9mm |
| Front-Center | 714.6mm |
| Front-Center Horizontal | 712.1mm |
| Wheelbase | 1148mm |
| Fork Offset/Rake | 60mm |
| Fork Length (On-Axis) | 508mm |
| Trail | 61.8mm mid/neutral |
| Mechanical Trail | 57.3mm |
| Wheel Flop | 21.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 231.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 83.2mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.2mm |
| Tire Outer Diameter | 626.4mm |
| Bike Length with Tires | 1774.4mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://firstbikes.com.br/quadro-shelby