Bicycle Drivetrain Tutorials

Video tutorials about drivetrain maintenance and repair.

How to Replace Your Chainrings How to Replace Your Chainrings

Basic removal and installation instructions for 5-bolt chainrings on 3-sprocket systems.

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How to Loosen a Stiff Chain Link How to Loosen a Stiff Chain Link

Stiff chain links cause noise, shifting problems, and even injury. Watch how to fix it by hand!

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How to Clean and Lubricate a Chain How to Clean and Lubricate a Chain

Frequent chain cleaning and lubrication will help keep dirt off your chain and prevent wear.

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How to Replace a Freehub Body How to Replace a Freehub Body

Demonstrates how to remove and install a cassette freehub body. Requires a hub overhaul.

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How to Replace a Cartridge Bottom Bracket How to Replace a Cartridge Bottom Bracket

Demonstrates how to remove and install a sealed cartridge bottom bracket.

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How to Replace Cotterless Crank Arms How to Replace Cotterless Crank Arms

Crank removal and installation procedure on a square-spindle, sealed bottom bracket.

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How to Replace Your Pedals How to Replace Your Pedals

Applies to both 1/2″ and 9/16″ thread sizes. The left pedal has a reverse thread.

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How to Adjust Your Front Derailleur How to Adjust Your Front Derailleur

Applies to most 3-chainring derailleur systems.
* Now with 3D interactive instructions

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How to Calculate Chain Length How to Calculate Chain Length

Measure the correct length of a new bike chain.

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How to Replace a Cassette Cluster How to Replace a Cassette Cluster

Applies to most Shimano cassette/freehub combos (not freewheels).

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Repair Guide / Help Forums

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