2023 Giant Bicycles FastRoad AR Base M
Build
700C/29 in × 40 mm
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 578mm |
| Reach | 404mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, Unknown | 475mm |
| Top Tube Length, Effective/Horizontal Unknown | 575mm |
| Top Tube Slope | 12.8deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 155mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428.5mm |
| Front-Center | 634mm |
| Front-Center Horizontal | 629.5mm |
| Wheelbase | 1058mm |
| Fork Offset/Rake | 50mm |
| Trail | 68mm high |
| Mechanical Trail | 64.3mm |
| Wheel Flop | 20.9mm |
| Standover Height | 756mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 113mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 106mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1760mm |
| Crank Length | 170mm |
| Handlebar Width | 680mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 170 cm to 180 cm |
Source:https://www.giant-bicycles.com/us/fastroad-ar-2-2025