Bicycle Derailleur Hanger Alignment: Signs, Checks, and Repair
Check a bicycle derailleur hanger for misalignment, separate it from derailleur and wheel faults, and choose a safe repair path.
Tag: #Drivetrain
18 posts with this tag
How to Replace a Bike Cassette
Replace a bicycle cassette by identifying the freehub and lockring, matching the new sprockets, preserving spacers, and checking chain compatibility.
Bike Chain Speed Compatibility: 8-, 9-, 10-, 11-, and 12-Speed
Match a bike chain to an 8-, 9-, 10-, 11-, or 12-speed drivetrain by checking the maker, cassette, chainrings, derailleur, joining link, and system limits.
Rear Derailleur Indexing: A Step-by-Step Adjustment Guide
Adjust a cable-operated rear derailleur by checking the drivetrain, limits, cable path, indexing, hanger, and pulley alignment in the maker's sequence.
Why a Bike Chain Keeps Breaking
A bike chain can break from a damaged link, wrong connector, worn drivetrain, poor chainline, overload, or derailleur fault. Find the failure before riding.
Why a Bike Chain Keeps Falling Off
A bike chain can fall off from derailleur limits, poor indexing, chainline, worn teeth, wrong length, or a stiff link. Diagnose where and when it drops.
Bicycle Chainline Explained: Measurement, Symptoms, and Fixes
Learn what bicycle chainline means, how to inspect and measure it, which symptoms it can cause, and how to correct it within maker limits.
How to Tell if a Bike Cassette Is Worn
Check a bike cassette for hooked teeth, skipping, uneven wear, and loose parts, then separate cassette wear from chain, freehub, and indexing faults.
Worn Bike Chainring Symptoms: Repair or Replace?
Worn chainring symptoms include tooth deformation, chain suck, skipping, and poor meshing. Inspect the chain and cassette before deciding what to replace.
How to Replace a Bike Chain and Set the Correct Length
Replace a bike chain safely by identifying the drivetrain, sizing from the exact manual, using the approved connector, and checking every gear before riding.
E-Bike Conversion Chainline: How to Prevent Rub, Drops, and Wear
Set an e-bike conversion chainline by documenting the drivetrain, measuring alignment, checking maker limits, and correcting rub without risky spacers.
Why Does My Bike Chain Skip Under Load?
Chain skipping under hard pedaling usually points to worn or misadjusted drivetrain parts, but a loose cassette, stiff link, or slipping freehub can feel similar.