2020 BMC Switzerland URS Four S
Build
700C/29 in × 42 mm
Insights
Somewhat aggressive stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 538mm |
| Reach | 403mm |
| Stack to Reach Ratio | 1.33:1 |
| Seat Tube Length, C-T | 431mm |
| Seat Tube Length, C-TTT | 431mm |
| Top Tube Length, Effective/Horizontal HT Top | 557mm |
| Top Tube Slope | 13.3deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 113mm |
| Bottom Bracket Drop | 69mm |
| Bottom Bracket Height | 284mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.4mm |
| Front-Center | 625mm |
| Front-Center Horizontal | 621.6mm |
| Wheelbase | 1041mm |
| Fork Offset/Rake | 45mm |
| Fork Length (On-Axis) | 407mm |
| Trail | 80.6mm very high |
| Mechanical Trail | 75.7mm |
| Wheel Flop | 25.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 102mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 114mm |
Four Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1747mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 55mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://us-en.bmc-switzerland.com/urs-four.html