Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Sears
Cycling

Model # 45128 Official Sears 24" girls' middleweight bicycle

Here are the diagrams and repair parts for Official Sears 45128 24" girls' middleweight bicycle, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 32 parts  |
F Axle Set 303518
#11

Unit parts diagram

F axle set

Part #303518

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

End Plug 36690
#2B

Unit parts diagram

End plug

Part #36690

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

Sprocket 14590C
#19

Unit parts diagram

Sprocket

Part #14590C

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

Rr Sprocket 35326
#21

Unit parts diagram

Rr sprocket

Part #35326

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

Handlebar 12881C
#3

Unit parts diagram

Handlebar

Part #12881C

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

Saddle Black 98X361
#25

Unit parts diagram

Saddle black

Part #98X361

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

Spk 9-9/16 303153
Spk 9-9/16

Part #303153

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

Wheel Retain 32375Z
#12

Unit parts diagram

Wheel retain

Part #32375Z

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

Kickstand 302338
#14

Unit parts diagram

Kickstand

Part #302338

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

Bolt 302108
#4

Unit parts diagram

Bolt

Part #302108

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

View all

Why does my treadmill's walking belt slow down?

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

Read more

Why is my treadmill's walking belt slipping?

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

Read more

Why is my treadmill's walking belt off center?

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

Read more

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…

Read more

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

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

Read more

Why does my treadmill have no display?

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

Read more

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…

Read more

Repair guides for treadmills

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

View all
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.

View all
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.…

Read more
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…

Read more
How to maintain a treadmill

How to maintain a treadmill

Keep your treadmill in shape by following these tips.…

Read more

Parts & More