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2009 4-H University. Bicycle Contest Study Guide. Identification: Brakes. Identification: Chain. Identification: Chainring. Identification: Crank. Identification: Fork. Identification: Frame. Identification: Handlebars. Identification: Pedal. Identification: Reflectors.

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2009 4 h university

2009 4-H University

Bicycle Contest

Study Guide
























Making right turns
Making Right Turns

  • Scan for traffic

  • Put your left arm out with elbow bent upward, or use your right arm and point to the right.

  • Look left, look right, then, look left again.

  • If it is safe, turn right, start pedaling and stay to the right.


Making left turns
Making Left Turns

  • Get off bicycle and look left, look right then, look left again.

  • When there is no traffic, walk your bike across the street.

  • At the corner, look left, right, left and right again.

  • When there is no traffic, walk across next street.


Making left turns cont
Making Left Turns, cont.

  • Scan and start pedaling.

  • Continue your ride.

  • When turning left on a road signal, put your left arm out and keep it straight, pointing to the left.


Slowing down
Slowing Down

  • When you slow down or stop, put out your left arm and bend your elbow down.


Visual hazards
Visual Hazards

Visual hazards can be:

  • Bushes

  • Trees

  • Large signs

  • Parked vehicles

  • Bright lights

  • Glare from the sun

    These hazards can keep you from seeing what you need to see to avoid crashes.


Surface hazards
Surface Hazards

Surface hazards can be:

  • Rocks

  • Trash

  • Potholes

  • Drain grates

  • Railroad tracks

  • Broken glass

    Surface hazards are things that can make you crash if you run over them.


Moving hazards
Moving Hazards

Moving hazards can be:

  • Cars or trucks

  • People

  • Dogs

  • Trainsor buses

  • Motorcycles

  • Or, anything that can cross your path


Definitions
Definitions

Air Pressure -- the force of air in bicycle tires that holds up your bicycle and you.

Balance – adapting body position to steady bicycle and keep it upright without falling.

Cyclist -- someone who rides a bicycle.

Brake – part that stops or slows a wheel.

Buddy system – doing tasks in pairs.


Definitions cont
Definitions, cont.

Chain – linked metal rope that connects the chain wheel to the back wheel.

Ear straps – back and front straps of a helmet.

Handlebar – bar for steering a bicycle.

Hazard – a possible source of danger.

Helmet – protective head covering made of hard material.


Definitions cont1
Definitions, cont.

Intersection – place where two roads meet or cross.

Lubricant – substance that reduces friction, heat and wear.

Map – representation of a region or area.

Pedestrian – person walking.

Predictable – acting so that people know

what you are going to do.


Definitions cont2
Definitions, cont.

Prevent – to keep from happening.

Rideout – to ride into the street without stopping or looking both ways; your turn to go.

Right turn – Turn from the right lane of one road to the right lane of another road without crossing the centerline of either road.


Definitions cont3
Definitions, cont.

Scanning – quickly looking in all directions while maintaining one’s balance.

Signals – lights, hand movements, auditory sounds that warn or prepare cyclists and motorists for changes such as stop lights, turn signals, ambulance sirens, etc.

Stop – to come to a complete stand still.


Definitions cont4
Definitions, cont.

Traffic – all cars, vans, buses and trucks moving along a road.

Warning – something that tells of danger.


Protective gear
Protective Gear

  • Shoes

  • Gloves

  • Knee pads

  • Elbow pads

  • Helmet

  • Long pants

  • Long-sleeved shirts


Selecting a helmet
Selecting a Helmet

  • Approved by CPSCA.

  • Is same size as your head.

  • Fits your head snuggly.

  • The V of the ear straps should meet just below your ear with no slack.


Protecting your helmet
Protecting Your Helmet

  • Keep it stored in a safe place.

  • Put in a place where nothing can drop on it.

  • Keep it in a cool spot.

  • Be sure your name and address are on your helmet.


Buying a b icycle
Buying a Bicycle

  • Buy a bicycle that is the right size for you.

  • Do not buy a bicycle that you will grow in to.

  • Buy a bicycle with the number of speeds you want.

  • Make sure the brakes are adequate for your age and experience.

  • Interview someone who knows a lot

    about bicycles.


Fitting a bicycle
Fitting a Bicycle

  • There should be one or two inches between your crotch and the crossbar when you straddle the bike.

  • Both feet should touch the ground when you sit on your bike with both hands on the handlebars.

  • If bike has handbrakes, make sure you can grasp the brakes hard enough to stop

    the bike.


Bicycle checklist
Bicycle Checklist

  • Seat height – Sit on your bicycle seat and place one foot on the pedal. Roll forward until the pedal is at its lowest point. There should be a slight bend to your knee.

  • Seat angle -- make sure seat is level so that you don’t slip forward or backward when riding.


Bicycle checklist cont
Bicycle Checklist, cont.

  • Handlebars – Adjust the height of your handlebars so that you don’t have to stretch too far to put your hands on the handlebars. There should be a slight bend in your elbows and it should feel comfortable.

  • Handbrakes – The brake levers should be easy to reach. When you squeeze the brake, there should be enough room to fit your

    thumb between the brake lever and

    the handlebar.


Abc bike check
ABC Bike Check

  • A = air pressure in your tires. Make sure there is enough air in your tires.

  • B = brakes. Make sure your tires do not move when the brakes are applied.

  • C = chain. Make sure the chain is not too loose.


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