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”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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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

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

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

Rear Sprockt PP7485
#20

26" men's, 18 speed crestwood diagram

Rear sprockt

Part #PP7485

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

Rr Shifter PP6608
#30

26" men's, 18 speed crestwood diagram

Rr shifter

Part #PP6608

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

Head Beari VV2415
#34

26" men's, 18 speed crestwood diagram

Head beari

Part #VV2415

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

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