Felt Bicycle - Page 41

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Pressing the large shifter lever of SRAM trigger shifters (picture (d) page 40)
located under the handlebar with your thumb, shifts the chain to the bigger chain-
rings at the front or larger sprockets at the rear. The smaller shifter, located under
the handlebar as well, but higher than the big one, is pushed with the thumb, too,
and moves the chain to move to the smaller chainrings or smaller sprockets.
The principle of SRAM twist grips is slightly different (a). Twisting the right-hand
grip towards you moves the chain to a larger sprocket giving you a lower gear,
while the same movement on the left produces a higher gear by moving the chain
to the larger chainrings.
Road bike gear lever
On road bikes the gear levers are integrated with the brake lever.
On a Campagnolo Ergopower (b) equipped bike, moving the small gear lever
located behind the brake lever inward with your index or middle finger shifts the
chain towards the larger sprockets. Pressing with your thumb on the shifter located
on the inward facing side of the brake lever mount, moves the chain towards the
next smaller sprocket. A maximum of three sprockets can be shifted per move.
With Shimano Dual Control levers (c) swivelling the entire brake lever inward
shifts the chain towards the larger sprockets. Up to three sprockets can be shifted
per tap. Moving the small lever alone shifts towards the smaller sprockets, but only
one per tap.
SRAM Force Doubletap levers (d) have only one shifting lever positioned behind
the brake lever. A short tap to the inward moves the chain to a smaller sprocket.
Sweeping the shifting lever further in, makes the derailleur shift the chain to larger
sprockets. One tap can shift up to three gears.
a b c d