S and S Machine
Bicycle Torque Couplings (BTCs)
Your Travel Bike........Your Only Bike!
Features of bikes with BTCs
stronger than the actual frame tube
! No added flex!
Adds only 8 oz. (226g) to a road bicycle. (1"x1 1/8" tube size)
Rider reports almost
and another with
with no detectable wear.
to precise specifications.
Many top builders use BTCs™. See our
Couplings do not make annoying noises. They are absolutely silent.
Mountain, road, tandem, etc.:
Bicycles are available in almost any style.
No reported flex, noise or loosening! (see instructions for proper use)
A no compromise bike:
A professional quality bike that travels with ease!
Utilizes the experience and creativity of independent
Undetectable even when sprinting or climbing!
They can actually enhance the beauty of a frame
Retrofit or new?
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