Header Banner
WonderHowTo Logo
WonderHowTo
Mountain Biking
wonderhowto.mark.png
Gadget Hacks Next Reality Food Hacks Null Byte The Secret Yumiverse Invisiverse Macgyverisms Mind Hacks Mad Science Lock Picking Driverless

How to Install a P knuckle while overhauling a derailleur

"How to Install a P knuckle while overhauling a derailleur" cover image

The p knuckle of the rear derailleur is a small part that regulates the tension of the chain running over the derailleur. This video features a professional bike mechanic installing the p knuckle into a rear derailleur during an overhaul of the derailleur. This is an important piece of maintenance even for new equipment, so take note!

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

Related Articles

Comments

No Comments Exist

Be the first, drop a comment!