Model # 512878310 Official Sears 16" sidewalk bicycle

Here are the diagrams and repair parts for Official Sears 512878310 16" sidewalk 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

ALL PARTS

Showing 10 of 44 parts |

#19

All parts diagram

Frame

Part #74-28871-774

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

#24

All parts diagram

Crank/sprckt

Part #74-29863-747

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

All parts diagram

Fork asm

Part #74-27008-774

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

#57

All parts diagram

Bearing

Part #217-38

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

All parts diagram

Handlebar

Part #25091-660

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

#16

All parts diagram

Hex nut

Part #216-10A

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

#18

All parts diagram

Hex nut

Part #STD541137

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

#55

All parts diagram

Link cover

Part #STD316659

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

#20

All parts diagram

Chain guard

Part #74-5059P-580

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

#23

All parts diagram

Lock nut

Part #STD541410

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

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Repair difficulty

Time required

15 minutes or less

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty

Time required

15 minutes or less

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

Articles and videos for bottom-mount refrigerators

How to Replace the Water Filter in a GE Refrigerator

Model # 512878310 Official Sears 16" sidewalk bicycle

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

How to replace a refrigerator water valve

Articles and videos for bottom-mount refrigerators

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

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

Parts & More

Stay Connected

Quick links

Let us help you

More resources