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Sears
Cycling

Model # 502456370 Official Sears bicycle

Here are the diagrams and repair parts for Official Sears 502456370 bicycle, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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Showing 10 of 60 parts  |
Master Link 303476
#NI

Wildfire diagram

Master link

Part #303476

The manufacturer no longer makes this part, and there's no substitute part

Kickstand 302336
#20

Wildfire diagram

Kickstand

Part #302336

The manufacturer no longer makes this part, and there's no substitute part

Washer 017X47Z
#4

Wildfire diagram

Washer

Part #017X47Z

The manufacturer no longer makes this part, and there's no substitute part

Tube 20" 0139X4
#NI

Wildfire diagram

Tube 20"

Part #0139X4

The manufacturer no longer makes this part, and there's no substitute part

Brng Set,crk 750622
#18

Wildfire diagram

Brng set,crk

Part #750622

The manufacturer no longer makes this part, and there's no substitute part

Hex Nut 15X70Z
#24A

Wildfire diagram

Hex nut

Part #15X70Z

The manufacturer no longer makes this part, and there's no substitute part

Paint, Flam Red Orange 309999-124
#NI

Wildfire diagram

Paint, flam red orange

Part #309999-124

The manufacturer no longer makes this part, and there's no substitute part

Handlebar Stem - Bottom (incl. Bolt And Wedge) 75219
#10B

Wildfire diagram

Handlebar stem - bottom (incl. bolt and wedge)

Part #75219

The manufacturer no longer makes this part, and there's no substitute part

Lever, Front Brake 751056
#32A

Wildfire diagram

Lever, front brake

Part #751056

The manufacturer no longer makes this part, and there's no substitute part

Handlebar Stem - Bolts (4 Required) 751220
Handlebar stem - bolts (4 required)

Part #751220

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Read more
Repair difficulty
Time required
 30 minutes or less

Articles and videos for treadmills

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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How to maintain a treadmill

How to maintain a treadmill

Keep your treadmill in shape by following these tips.…

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