Sizing and parts selection Sizing and parts selection
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Speedmachine Owners Manual
Sizing and parts selection
Positioning
A bicycle rider will only perform at his best if he is correctly positioned on his bike,
especially for triathlon and time trial competitions.
A full sizing and components fitting guid is available on our website. It will guide you
through the sizing steps and help you define the setup of the different components.
Many different handlebar types and shapes are available on the market and it is not
possible for BMC to guarantee accurate positioning for all of them. The base bar, arm-
rest set, extensions and seat post provided with the Speedmachine complete bikes
and modules were carefully selected to offer the highest adjustment possibilities in a
light, reliable and user-friendly package. Therefore we suggest you start by using the
original Speedmachine components and carefully follow the instructions. Then, multi-
ple customization options are described later in this manual.
Frame size
General frame geometry
st
sh
rc
fc
drop
wb
fl
ha
armrest
stack
reach
sa
Size S M L
Rider Height cm <174 172-185 >180
Armrest Stack (stack) 558-650 586-678 628-720
Armrest Reach (reach) 348-467 368-487 395-514
Seat Tube (st) 460 525 551
Seat Tube Angle ° (sa) 80° 80° 82,4°
Rear Center (rc) 405 405 405
Front Center (fc) 578 606 646
Wheelbase (wb) 974 1000 1040
BB drop (drop) 62 72 72
Fork Length (fl) 391 391 392
Standover Height (sh) 766 806 837
Armrest fitting ranges
Including the effect of the tilt adjustment, this graph illustrates the Speedmachine
armrests stack and reach adjustment ranges.
Armrest pad reach (RAR)
Armrest pad stack (SAR)
S
M
L
S
M
L
INFORMATION: Values
communicated are for the
Flat Base bar and consid-
er all variations of tilt.
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