2024 BMC Switzerland ALPENCHALLENGE 03 Base
- Category
- Commuter
- Design
- Flat Bar, Rigid, non-suspension corrected
Geometry
S | M | L | XL | |
Stack | 560mm | 590mm | 620mm | 650mm |
Reach | 400mm | 415mm | 425mm | 440mm |
Stack to Reach Ratio | 1.4:1 | 1.42:1 | 1.46:1 | 1.48:1 |
Seat Tube Length, C-T | 480mm | 510mm | 540mm | 555mm |
Seat Tube Length, Unknown | 350mm | 350mm | 350mm | 350mm |
Top Tube Length, Actual C-C | 560mm | 584mm | 603mm | 626mm |
Top Tube Slope | 10.5deg | 10.2deg | 10deg | 11.1deg |
Head Tube Angle | 70deg | 70deg | 70deg | 70deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 133mm | 165mm | 197mm | 229mm |
Bottom Bracket Drop | 67mm | 67mm | 67mm | 67mm |
Bottom Bracket Height | 281mm | 281mm | 281mm | 281mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal | 434.9mm | 434.9mm | 434.9mm | 434.9mm |
Front-Center | 631mm | 657mm | 677mm | 703mm |
Front-Center Horizontal | 627.1mm | 653.1mm | 674.1mm | 700.1mm |
Wheelbase | 1062mm | 1088mm | 1109mm | 1135mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm |
Fork Length (On-Axis) | 408mm | 408mm | 408mm | 408mm |
Trail | 78.8mm high | 78.8mm high | 78.8mm high | 78.8mm high |
Mechanical Trail | 74mm | 74mm | 74mm | 74mm |
Wheel Flop | 25.3mm | 25.3mm | 25.3mm | 25.3mm |
Standover Height | 760mm | 790mm | 819mm | 838mm |
Tire to Pedal Spindle | 113mm 170 mm cranks | 139mm 170 mm cranks | 154mm 175 mm cranks | 180mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 111mm 170 mm cranks | 111mm 170 mm cranks | 106mm 175 mm cranks | 106mm 175 mm cranks |
Base Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 37mm | 37mm | 37mm | 37mm |
Tire Outer Diameter | 696mm | 696mm | 696mm | 696mm |
Bike Length with Tires | 1758mm | 1784mm | 1805mm | 1831mm |
Crank Length | 170mm | 170mm | 175mm | 175mm |
Handlebar Width | 600mm | 600mm | 600mm | 600mm |
Stem Length | 90mm | 90mm | 100mm | 100mm |
Stem Angle | 8deg | 8deg | 8deg | 8deg |
Published Sizing Recommendations
Height | 14 ft 0 in to | 14 ft 0 in to | 14 ft 10 in to | 15 ft 10 in to |
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 ScaleCategory Trend
CommuterSource:https://ca.bmc-switzerland.com/collections/alpenchallenge-al-communter-bikes/products/alpenchallenge-al-three-bikes-bmc-23-10404-007#geometry_4FHfYA