Sears
Cycling

Model # 489451780 Official Sears 20" lightweight bicycle

Here are the diagrams and repair parts for Official Sears 489451780 20" lightweight 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 42 parts  |

Pedal 070002
#20

Unit parts diagram

Pedal

Part #070002

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

Exp Blt/wdg 008024
#4

Unit parts diagram

Exp blt/wdg

Part #008024

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

Rr Fndr/brc 051017
#26

Unit parts diagram

Rr fndr/brc

Part #051017

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

Chain 072013
#21

Unit parts diagram

Chain

Part #072013

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

Rim Strip 042006
#11

Unit parts diagram

Rim strip

Part #042006

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

Ming Ta Bicycle Brake Shoe Set 104002
#33

Unit parts diagram

Ming ta bicycle brake shoe set

Part #104002

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

Roadmaster Rear Axle And Bearing Set 054001
#25

Unit parts diagram

Roadmaster rear axle and bearing set

Part #054001

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

Drlr Cbl/csg 087509
#40

Unit parts diagram

Drlr cbl/csg

Part #087509

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

Derailleur 085501
#39

Unit parts diagram

Derailleur

Part #085501

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

Front Wheel Assembly 045009
#12

Unit parts diagram

Front wheel assembly

Part #045009

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for top-mount refrigerators

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

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.…