2026 LightCycling GF05 Quest S
Build
700C/29 in × 50 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 549mm |
| Reach | 362mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-T | 410mm |
| Top Tube Length, Effective/Horizontal Center | 520mm |
| Top Tube Slope | 18.1deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 101mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.3mm |
| Front-Center | 593mm |
| Front-Center Horizontal | 587.7mm |
| Wheelbase | 1006mm |
| Fork Offset/Rake | 54.5mm |
| Fork Length (Axle-To-Crown) | 420mm |
| Trail | 70mm high |
| Mechanical Trail | 66mm |
| Wheel Flop | 22mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 62mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116mm |
Quest Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 722mm |
| Bike Length with Tires | 1728mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 165 cm to 174 cm |
Source:light-cycling.com