Roadmaster
Cycling

Model # 3870SR Official Roadmaster bicycle

Here are the diagrams and repair parts for Official Roadmaster 3870SR 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 53 parts  |

Pedal Lu-4 KK2849
#14

26" men's, 18 speed crestwood diagram

Pedal lu-4

Part #KK2849

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

Bracket HH5110
#31

26" men's, 18 speed crestwood diagram

Bracket

Part #HH5110

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

Grip,1pair JJ0170
#6

26" men's, 18 speed crestwood diagram

Grip,1pair

Part #JJ0170

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

Wheel 909874
#18

26" men's, 18 speed crestwood diagram

Wheel

Part #909874

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

Crank,1pc, HH5561
#15

26" men's, 18 speed crestwood diagram

Crank,1pc,

Part #HH5561

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

Bracket HH5112
#26

26" men's, 18 speed crestwood diagram

Bracket

Part #HH5112

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

Seat LL2708
#1

26" men's, 18 speed crestwood diagram

Seat

Part #LL2708

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

Stem PP0325
#5

26" men's, 18 speed crestwood diagram

Stem

Part #PP0325

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

Wheel 909843
#8

26" men's, 18 speed crestwood diagram

Wheel

Part #909843

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

Derailleur PP7434
#27

26" men's, 18 speed crestwood diagram

Derailleur

Part #PP7434

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

Symptoms for electric ranges

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Repair difficulty
Time required
 45 minutes or less

Articles and videos for electric ranges

How is cooking on an electric range different than cooking on a gas stove?

How is cooking on an electric range different than cooking on a gas stove?

Learn about the differences between cooking on gas and electric stoves.…

Coil surface element on range not heating video

Coil surface element on range not heating video

Learn how to troubleshoot a coil surface element on your stove that won't heat.…

Quick tips and fixes: range hot surface light troubleshooting video

Quick tips and fixes: range hot surface light troubleshooting video

This short, animated video shows you why the hot surface light on your range always stays on—and how to fix it.…