Drivetrain & Groupset · 5 articles
Drivetrain & Groupset
Chains, cassettes, bottom brackets, derailleurs — these parts wear together and need to be replaced together at the right time. Our guides explain the real cost of waiting too long, and what tools make each job clean and repeatable.
Derailleur Hanger Buying Guide: OEM vs. Aftermarket and How to Find the Right Fit
Derailleur hangers are small, bike-specific parts that sacrifice themselves in a crash so your frame survives — here's how to find the exact right one and
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Cassette Removal Tools for Shimano HG and SRAM XD: Don't Strip Your Freehub
Choosing the wrong cassette removal tool can damage a $200+ freehub in seconds. Here's how to match the right tool to your drivetrain system and avoid a costly
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Derailleur Hanger Alignment and Replacement: The Overlooked Fix for Ghost Shifting
Ghost shifting and sluggish gear changes are often caused by a bent derailleur hanger — a cheap, replaceable part most riders never check. Here's how to
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Crank Pullers and Bottom Bracket Removers: The Right Combo for Square Taper, Hollowtech, and GXP
Choosing the wrong removal tool for your crank and bottom bracket costs time, stripped threads, and real money. Here's how to match the right combo to your
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SRAM RED and Eagle AXS Chain Wear: The Tighter Tolerances Your Generic Checker Misses
Your $15 chain wear tool might be lying to you. Here's why SRAM AXS drivetrains demand a different measurement standard — and what happens to a $400 cassette
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