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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.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 53 parts  |
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

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

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 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

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

Head Beari HH2404
#37

26" men's, 18 speed crestwood diagram

Head beari

Part #HH2404

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

Head Bearing HH1007
#38

26" men's, 18 speed crestwood diagram

Head bearing

Part #HH1007

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

Head Beari HH2501
#35

26" men's, 18 speed crestwood diagram

Head beari

Part #HH2501

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

Crank Cup HH0055
#45

26" men's, 18 speed crestwood diagram

Crank cup

Part #HH0055

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

Repair guides for canister vacuums

How to replace a vacuum power head ribbed drive belt

How to replace a vacuum power head ribbed drive belt

Some canister vacuums have a ribbed drive belt that spins the brush roll on a power brush attachment. If the brush roll …

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Repair difficulty
Time required
 30 minutes or less
How to replace a vacuum suction motor

How to replace a vacuum suction motor

The suction motor on a vacuum creates the draw of air at the cleaning head that picks up dirt. If the vacuum won't run, …

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Repair difficulty
Time required
 15 minutes or less
How to replace a vacuum beater bar

How to replace a vacuum beater bar

Replace the brush roll if the bristles ares worn or the cylinder is damaged.…

Read more
Repair difficulty
Time required
 30 minutes or less

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