Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
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 # 2.1R Official Horizon exercise bike

Here are the diagrams and repair parts for Official Horizon 21R 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 40 parts  |
Seat Handlebar Set (rb100)(1 Set) SZRB100SHB
#AG1

Bike assembly diagram

Seat handlebar set (rb100)(1 set)

Part #SZRB100SHB

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

Discontinued-five Groove Pulley (part Of Pedal Axle Set) MD0121001C
#T05

Bike assembly diagram

Discontinued-five groove pulley (part of pedal axle set)

Part #MD0121001C

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

Fixed Bearing Housing Set SZRB61DFBH
#R09A

Bike assembly diagram

Fixed bearing housing set

Part #SZRB61DFBH

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

Console Mast Set Rb100 (1 Set) SZRB100CSM
#AC1

Bike assembly diagram

Console mast set rb100 (1 set)

Part #SZRB100CSM

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

Rb61 Cover (abs)(1 Pcs) MB0204004AC
#Q03

Bike assembly diagram

Rb61 cover (abs)(1 pcs)

Part #MB0204004AC

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

Rail (rb100-af1)(1 Set) SP0203017AA
#AF1

Bike assembly diagram

Rail (rb100-af1)(1 set)

Part #SP0203017AA

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

Ecb Adjustable Seat Spc (1 Pcs) MJ1256005
#S06

Bike assembly diagram

Ecb adjustable seat spc (1 pcs)

Part #MJ1256005

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

Owner's Manual (rb100-v21a)(1 Pcs) MH0205130A
#V21

Bike assembly diagram

Owner's manual (rb100-v21a)(1 pcs)

Part #MH0205130A

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

Console Mast Cover (rb100-q04a)(1 Pcs) MB0210036AA
#Q04

Bike assembly diagram

Console mast cover (rb100-q04a)(1 pcs)

Part #MB0210036AA

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

Stabilizer SZRB51RST
#F04

Bike assembly diagram

Stabilizer

Part #SZRB51RST

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

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