Installing and maintaining properly functioning brakes is one of the most important mechanical parts of keeping your bike working safely. This video features a professional bike mechanic setting up an international standard, or IS, brake caliper on a mountain bike.

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.
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