2020 HongFu Bikes fm339 Base 520
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of HongFu Bikes fm339
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 523mm |
| Reach | 381mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, C-T | 480mm |
| Top Tube Length, Actual C-C | 531mm |
| Top Tube Slope | 6.8deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 74mm |
| Bottom Bracket Height | 265mm |
| Chainstay Length | 407mm |
| Chainstay Length Horizontal | 400.2mm |
| Front-Center | 574.1mm |
| Front-Center Horizontal | 569.8mm |
| Wheelbase | 970mm |
| Fork Offset/Rake | 45mm |
| Fork Length, Unknown | 370mm |
| Trail | 59.7mm mid/neutral |
| Mechanical Trail | 56.9mm |
| Wheel Flop | 17.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 65.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 95mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1648mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:http://www.hongfu-bikes.com/html_products/Road_Frame/Disc_Brake_Road_Frame/2018/0901/510.html