2021 HASA RS1 Base S
Build
700C/29 in × 25 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of HASA RS1
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 530mm |
| Reach | 378mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, C-T | 470mm |
| Top Tube Length, Effective/Horizontal Center | 525mm |
| Top Tube Slope | 8.7deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 261mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.1mm |
| Front-Center | 574mm |
| Front-Center Horizontal | 568.9mm |
| Wheelbase | 972mm |
| Fork Offset/Rake | 45.3mm |
| Fork Length (Axle-To-Crown) | 371mm |
| Trail | 58.5mm mid/neutral |
| Mechanical Trail | 55.8mm |
| Wheel Flop | 16.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 68mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 91mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1644mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.hasa.com.tw/webls-zh-tw/product-2021RS1-2021RS1.html