2021 Trek Bikes 520 Disc Base 48 cm
Build
700C/29 in × 38 mm
Insights
Design deviates from other sizes of Trek Bikes 520 Disc
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 540mm |
| Reach | 368mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 440mm |
| Top Tube Length, Effective/Horizontal HT Top | 520mm |
| Top Tube Slope | 13.4deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74.3deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 274mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 443.7mm |
| Front-Center | 602mm |
| Front-Center Horizontal | 597.3mm |
| Wheelbase | 1041mm |
| Fork Offset/Rake | 52mm |
| Trail | 75mm high |
| Mechanical Trail | 70.2mm |
| Wheel Flop | 24.6mm |
| Standover Height | 713mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 83mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 104mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1739mm |
| Crank Length | 170mm |
| Handlebar Width | 40cm |
| Stem Length | 80mm |
| Stem Angle | 7deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 158 cm to 163 cm |
| PBH | 74 in to 77 in |
Source:https://www.trekbikes.com/us/en_US/bikes/adventure-touring-bikes/520/520-disc/p/24000/