Catalogo BMC 2013

Page 41

roadclass technology

subA aerodynamics maximization Best aerodynamics – the subA concept. The goal of any triathlete is to race sub 8 hours on Ironman distance. subA = maximizing aerodynamics performance. For that we use three core features.

Narrow head tube and reduced frontal surface.

subA concept

subA aerodynamics maximization Best aerodynamics – the subA concept. The goal of any triathlete is to race sub 8 hours on Ironman distance. subA = maximizing aerodynamics performance. For that we use three core features.

A – truncated profile B – tripwire C – tear drop 3:1

Narrow head tube and reduced frontal surface.

sub concept A

minimal frontal surface

A – truncated profile B – tripwire C – tear drop 3:1

Crosssection of the half seat tube:

TM01 profile minimal frontal surface

Crosssection of the half seat tube: TT01 profile,

without tripwire

TT01 profile, without tripwire

Layer separation Layer separation

Tripwire edges on vertical frame tubing.

Tear drop tube shapes truncated to 3:1 UCI legal profiles.

TM01 profileprofile, TM01

with tripwire

Tear drop tube shapes truncated to 3:1 UCI legal profiles.

TM01 profile, with tripwire

Layer separation Layer separation

Airflow

Tripwire edges on vertical frame tubing.

Stiff, light, fast.

Stiff, light, fast.

Airflow 38 | 39


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