Shimano 1980 Advertisement — Instant Action Shifting!

[A color photograph of the rear wheel, chain and chainrings of a blue bicycle, with a large arrow-shaped tag hanging from the frame. Two small photographs sit in the slanted text area: a cyclist riding on pavement and a close view of a shifter mechanism.]
THE NEW CONCEPT SHIFTER
POSITRON PLUS FRONT FREEWHEEL
Shift:
1 without guess work
2 while coasting
3 positively into each gear
4 before mounting
5 even while back pedaling
This bike can do it all
FRONT FREEWHEELING FF SYSTEM PLUS NEW POSITRON PPS POSITIVE PRE-SELECT SYSTEM
SHIMANO
INSTANT ACTION SHIFTING!
FRONT FREEWHEELING FF SYSTEM PLUS NEW POSITRON PPS POSITIVE PRE-SELECT SYSTEM
All the power and performance of 10-speed cycling is there at your fingertips. With a Shimano FF/PPS-equipped bicycle shifting is so quick and positive that you can be an expert in just a few minutes! That’s the kind of cycling innovation that has made Shimano the leader in bicycle component engineering. When you select your next bicycle check for our FF/PPS arrow. It points to the only system that lets you shift whenever you want, even when you’re coasting! And using the Positron II selector you’ll always know exactly which gear you’re in.
You don’t have to wait to ride the FF/PPS bicycle. Just check wherever fine bicycles are sold and tell them you’re ready for the shifting system of the future.
Positron II Shifter—Rugged shifting levers with wide grip surfaces and clearly marked gear selections.
SHIMANO
Component Systems for Today’s Bicycles