Park Tool releases new derailleur hanger gauge, bit tool and more - Swiss Cycles

How to Fix a Bent Derailleur Hanger

Compatible with 16 to 29+ wheels (ISO/ETRTO rim sizes from 317 to 630+) Low-profile head fits low clearance thru-axle derailleur hangers and Shimano

Park Tool DAG-3 - Derailleur Hanger Alignment Gauge, Black

This combination chain whip and freewheel / lockring remover wrench is heat treated to prevent bending and flexing, with a molded handle for comfort. Features Works on 5- to 12-speed cassettes and freewheels. 1 (25.4mm) box-end wrench fits Park Tool Freewheel/Cassette Lockring Tools. Features hardened pins to keep the chain in place.

Park Tool SR-12.2 - Sprocket Remover / Chain Whip

How to Fix a Bent Derailleur Hanger

Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge : Sports & Outdoors

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Dropout Alignment

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Shimano ultegra rear derailleur alignment : r/bikewrench

Get rid of ticks, clicks, and clacks from your rear derailleur by adding this EASY TO USE tool to your maintenance routine. All the noise coming from your drivetrain can be significantly reduced in few easy steps. If your rear derailleur is giving you a hard time, not shifting, chattering or jumping a sprocket, then you might have a misaligned derailleur hanger. A bent derailleur hanger can also be the source of drivetrain noise during riding.