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Huffy
Cycling

Model # 11907 Official Huffy 16" sigma bicycle

Here are the diagrams and repair parts for Official Huffy 11907 16" sigma bicycle, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 34 parts  |
Craftsman Tire 040033
#9

Replacement parts diagram

Craftsman tire

Part #040033

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

Bca Tube 041005
#10

Replacement parts diagram

Bca tube

Part #041005

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

Frt Sprocket 068005
#16

Replacement parts diagram

Frt sprocket

Part #068005

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

Bca Tool 103017

#NI

All parts diagram

Bca tool

Part #103017

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

Craftsman Rim Strip 042004
#11

Replacement parts diagram

Craftsman rim strip

Part #042004

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

Trng Whl Asm 112002
#20

Replacement parts diagram

Trng whl asm

Part #112002

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

Axle/brg Set 053013
#13

Replacement parts diagram

Axle/brg set

Part #053013

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

Fork Asm 005115
#7

Replacement parts diagram

Fork asm

Part #005115

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

Grip 479670 015020
#2

Replacement parts diagram

Grip 479670

Part #015020

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

Tool 103007

#NI

All parts diagram

Tool

Part #103007

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for treadmills

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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