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
Horizon
Exercise Cycle

Model # R52 Official Horizon exercise bike

Here are the diagrams and repair parts for Official Horizon R52 exercise bike, 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 96 parts  |
Cam ML0110001
#D17

Exercise bike diagram

Cam

Part #ML0110001

Replaced by #009491-E

?
Manufacturer substitution
This part replaces ML0110001. Substitute parts can look different from the original.
This item is not returnable
$6.11
In Stock
Spring MZE1103002
#U05

Exercise bike diagram

Spring

Part #MZE1103002

Replaced by #005439-00

?
Manufacturer substitution
This part replaces MZE1103002. Substitute parts can look different from the original.
This item is not returnable
$3.05
In Stock
Bushing ML0106002
#D16

Exercise bike diagram

Bushing

Part #ML0106002

Replaced by #009486-00

?
Manufacturer substitution
This part replaces ML0106002. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Set Screw MZE0114015
#D20

Exercise bike diagram

Set screw

Part #MZE0114015

Replaced by #004837-00

?
Manufacturer substitution
This part replaces MZE0114015. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Washer MZE0502049
#D18

Exercise bike diagram

Washer

Part #MZE0502049

Replaced by #005058-00

?
Manufacturer substitution
This part replaces MZE0502049. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Poly V-belt MD0608005A
#R03

Exercise bike diagram

Poly v-belt

Part #MD0608005A

Replaced by #004203-A

?
Manufacturer substitution
This part replaces MD0608005A. Substitute parts can look different from the original.
$28.99
In Stock
Pad MB0510001B
#F11

Exercise bike diagram

Pad

Part #MB0510001B

Replaced by #000782-B

?
Manufacturer substitution
This part replaces MB0510001B. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Lock Ring MB0302002
Lock ring

Part #MB0302002

Replaced by #000491-B

?
Manufacturer substitution
This part replaces MB0302002. Substitute parts can look different from the original.
This item is not returnable
$2.59
In Stock
Bearing MD0501005
#U03

Exercise bike diagram

Bearing

Part #MD0501005

Replaced by #STD315221

?
Manufacturer substitution
This part replaces MD0501005. Substitute parts can look different from the original.
$7.99
In Stock
End Cap MB0609076B
#F09

Exercise bike diagram

End cap

Part #MB0609076B

Replaced by #000933-C

?
Manufacturer substitution
This part replaces MB0609076B. Substitute parts can look different from the original.
This item is not returnable
$5.99
In Stock

Effective articles & videos to help repair your fitness & exercise

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

Parts & More