Topeak BB Hide'n Tool, fit Hollow BB, Integrated 7 Function Metal Mini Tool and 13 Speed Chain Tool

Compact Integration: Installs directly into your MTB bottom bracket, giving quick access to essential tools without the need for a saddle bag or pack. Comprehensive Functionality: Seven metal tools include 2 / 3 / 4 / 5 / 8 mm Allen wrenches, T25 Torx, and flat-head screwdriver for on-the-go adjustments. Built-In Chain Tool: Aluminum 13-speed chain breaker with steel wire hook handles quick repairs on modern drivetrains and single-speed setups. Secure Magnetic Retention: Strong internal magnets hold the tool firmly in place inside the crank spindle while keeping it easily removable. Premium Construction: Chrome-vanadium steel and aluminum body with polymer dust caps for durability, precision, and lasting performance in all conditions.