Sears
Cycling

Model # 502457490 Official Sears 20" moto-cross bicycle

Here are the diagrams and repair parts for Official Sears 502457490 20" 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 105 parts  |

R Wheel Assy 303013C
#21

Unit parts diagram

R wheel assy

Part #303013C

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

Spk 7-9/16 303155
Spk 7-9/16

Part #303155

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

Sprocket 300424
#17C

Shimano rear hub diagram

Sprocket

Part #300424

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

Axle Mx 303520
#11

Unit parts diagram

Axle mx

Part #303520

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

Lock Nut 300402
#20

Shimano rear hub diagram

Lock nut

Part #300402

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

Ball Ret 300408
#6

Shimano rear hub diagram

Ball ret

Part #300408

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

Mx Handlbr 32611E
#3

Unit parts diagram

Mx handlbr

Part #32611E

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

Sprocket 300422
#17A

Shimano rear hub diagram

Sprocket

Part #300422

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

Ft Wheel 303043C
#9

Unit parts diagram

Ft wheel

Part #303043C

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

Clutch Cone 300469
#12

Shimano rear hub diagram

Clutch cone

Part #300469

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