2023 BMC Switzerland 257 AL Three S

Build

700C/29 in × 37 mm

Insights

Somewhat aggressive stack and reach vs trend of commuter bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
560mm
Reach
400mm
Stack to Reach Ratio
1.4:1
Seat Tube Length, Unknown
480mm
Top Tube Length, Unknown
560mm
Top Tube Slope
10.5deg
Head Tube Angle
70deg
Seat Tube Angle
74deg
Head Tube Length
133mm
Bottom Bracket Drop
67mm
Bottom Bracket Height
281mm
Chainstay Length
440mm
Chainstay Length Horizontal
434.9mm
Front-Center
631mm
Front-Center Horizontal
627.1mm
Wheelbase
1062mm
Fork Offset/Rake
45mm
Fork Length (Axle-To-Crown)
408mm
Trail
78.8mm
high
Mechanical Trail
74mm
Wheel Flop
25.3mm
Standover Height
760mm
Tire to Pedal Spindle Distance
With 170 mm cranks
113mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
111mm

Three Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
37mm
Tire Outer Diameter
696mm
Bike Length with Tires
1758mm
Crank Length
170mm
Handlebar Width
600mm
Stem Length
90mm
Stem Angle
8deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc
Features
Single-speed capable

Published Sizing Recommendations

Height
14 ft 0 in
to
Source:https://www.bmc-switzerland.com/us_en/bmc-257-al-one-st-23.html