Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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 # 505457080 Official Sears 20" mono-shock moto-cross bicycle

Here are the diagrams and repair parts for Official Sears 505457080 20" mono-shock moto-cross 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 60 parts  |
Tire 20x2.12 1C9097
Tire 20x2.12

Part #1C9097

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

Rr Frame 6A0336
#33

Unit parts diagram

Rr frame

Part #6A0336

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

Fr Frame 6A0335
#6

Unit parts diagram

Fr frame

Part #6A0335

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

Saddle 1A0292-A
#38

Unit parts diagram

Saddle

Part #1A0292-A

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

Dust Cap BB-532
#6

Bendix coaster brake diagram

Dust cap

Part #BB-532

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

R Fender Blk 1A0288-A
#34

Unit parts diagram

R fender blk

Part #1A0288-A

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

Kickstand 1A0219-A2
#15

Unit parts diagram

Kickstand

Part #1A0219-A2

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

Chain 2105-B092
#25

Unit parts diagram

Chain

Part #2105-B092

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

Lock Nut BB-15
#3

Bendix coaster brake diagram

Lock nut

Part #BB-15

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

H Bar Pad 1C6739
#3

Unit parts diagram

H bar pad

Part #1C6739

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

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a riding lawn mower front tire

How to replace a riding lawn mower front tire

Get your mower moving again by using these instructions when replacing a damaged front tire.…

Read more
Repair difficulty
Time required
 60 minutes or less

Articles and videos for front-engine lawn tractors

Should I get an electric riding mower?

Should I get an electric riding mower?

Get help deciding whether to make the switch to a battery-powered riding mower…

Read more
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.…

Read more
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

Parts & More