Apollo Radius User Manual download pdf (Page 20)

Updated 23/05/07RAOM0507 Apollo Bicycle Company Pty. Ltd. ABN: 60 001 914 469

GEARS: HOW TO OPERATE

Derailleur Gears

Derailleur gears are the most common type

of gear systems used on bicycles. They are the

changing mechanism used to move the drive chain

up and down a series of cogs or sprockets

(the cluster or cassette stack) at the rear of the

bicycle and across the chainwheel at the front

of the bike (if fitted). Multispeed bicycles today

can range form 5-6 gears to as many as 30.

Rear derailleurs are fitted to all multispeed bicycles

while front derailleurs are only present on those

bicycles with the higher number of gears.

Gears enable the cyclist to select the most

appropriate pedalling resistance best suited

for the riding conditions. The more gears fitted

to the bicycle the greater choice available

to the rider.

TYPES OF GEAR SHIFTERS

- Hand Grip Shifters

- Below Bar Shifters

- Dual Control Shifters

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Apollo Radius User Manual Page 20