BMC Roadmachine Frame Geometry (2017-2023)

Founder, Mr. Mamil
BMC Roadmachine 01 FOUR SRAM Force eTap AXS
BMC Roadmachine 01

The geometry chart below applies to all BMC Roadmachine frames from the following:

  • Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023
  • Models: BMC Roadmachine 01, Roadmachine
  • Frame material: Carbon
Frame Size475154565861
Suggested Rider Height (cm)Below 166166 to 174172 to 180178 to 186184 to 192>190
Suggested Rider Height (ft)Below 5’5″5’5″ to 5’9″5’8″ to 5’11”5’10” to 6’1″6’0″ to 6’4″Above 6’3″
Stack (mm)516541562586610644
Reach (mm)374382386390394398
Top Tube (mm)522532546556568583
Seat Tube (mm)420457500522539573
Seat Tube Angle74.2º74.2º74.2º74.2º74.2º74.2º
Head Tube (mm)112139156181206242
Head Tube Angle71.2º71.2º72º72º72º72º
Chainstay (mm)410410410410410410
Front Center (mm)583599597609621635
Wheelbase (mm)982999997100810201035
BB Drop (mm)717171717171
Fork Length (mm)375375375375375375
Fork Offset (mm)505045454545
Fork Trail (mm)636363636363
Crankarm Length (mm)170170172.5172.5175175
Stem Length (mm)90100100110110120
Stem Angle-12.5º-12.5º-12.5º-12.5º-12.5º-12.5º
Bar Width (mm)400420420420420420
Bar Drop (mm)127127127127127127
Bar Reach (mm)676767676767
Post Offset (mm)151515151515
Standover Height (mm)719750782805825859
Seatpost Length (mm)330380380380380430
BMC Roadmachine (2017-2023) frame geometry chart

Each of the geometry measurements is explained in detail in this article.

Source : BMC

Alex Lee at Mr.Mamil

Alex Lee is the founder and editor-at-large of Mr. Mamil. Coming from a professional engineering background, he breaks down technical cycling nuances into an easy-to-understand and digestible format here.

He has been riding road bikes actively for the past 12 years and started racing competitively in the senior category during the summer recently.