2021 BMC Switzerland URS Four

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

M
M
Stack
569mm
569mm
Reach
415mm
415mm
Stack to Reach Ratio
1.37:1
1.37:1
Seat Tube Length, C-T
459mm
459mm
Seat Tube Length, C-TTT
459mm
459mm
Top Tube Length, Effective/Horizontal HT Top
578mm
578mm
Top Tube Slope
13.3deg
13.3deg
Head Tube Angle
70deg
70deg
Seat Tube Angle
74deg
74deg
Head Tube Length
146mm
146mm
Bottom Bracket Drop
69mm
69mm
Bottom Bracket Height
284mm
284mm
Chainstay Length
425mm
425mm
Chainstay Length Horizontal
419.4mm
419.4mm
Front-Center
648mm
648mm
Front-Center Horizontal
644.6mm
644.6mm
Wheelbase
1064mm
1064mm
Fork Offset/Rake
45mm
45mm
Fork Length (On-Axis)
407mm
407mm
Trail
80.6mm
very high
80.6mm
very high
Mechanical Trail
75.7mm
75.7mm
Wheel Flop
25.9mm
25.9mm
Tire to Pedal Spindle
122.5mm
172.5 mm cranks
122.5mm
172.5 mm cranks
Pedal Spindle to Ground Clearance
111.5mm
172.5 mm cranks
111.5mm
172.5 mm cranks

Four Build

M
M
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
42mm
42mm
Tire Width Max
45mm
45mm
Tire Outer Diameter
706mm
706mm
Bike Length with Tires
1770mm
1770mm
Crank Length
172.5mm
172.5mm
Handlebar Width
420mm
420mm
Stem Length
55mm
55mm

Published Sizing Recommendations

Height
172 cm
to
180 cm
172 cm
to
180 cm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Progressive Gravel
Source:https://bmc-switzerland.com/de/collections/gravel-bikes/products/urs-01-four-bikes-bmc-23-10619-007#geometry_NUGnEj