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Roadmaster
Cycling

Model # 4439SR Official Roadmaster bicycle

Here are the diagrams and repair parts for Official Roadmaster 4439SR bicycle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 43 parts  |
Water Bott PP0003
#41

Platinum sx diagram

Water bott

Part #PP0003

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

Fbrk Lever PP7714
#28

Platinum sx diagram

Fbrk lever

Part #PP7714

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

Bicycle Flange Nut PP1003XXX
#9

Platinum sx diagram

Bicycle flange nut

Part #PP1003XXX

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

Handlebar PP0293/4439SR
#4

Platinum sx diagram

Handlebar

Part #PP0293/4439SR

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

Flange Nut PP6176XXX
#21

Platinum sx diagram

Flange nut

Part #PP6176XXX

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

Screw HH6132
#42

Platinum sx diagram

Screw

Part #HH6132

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

Head Beari HH2501
#35

Platinum sx diagram

Head beari

Part #HH2501

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

Shifter Fr PP6695
#32

Platinum sx diagram

Shifter fr

Part #PP6695

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

Water Bott MM0303
#40

Platinum sx diagram

Water bott

Part #MM0303

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

Reflector MM2025
#26

Platinum sx diagram

Reflector

Part #MM2025

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…

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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…

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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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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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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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