The Topeak BB Hide'n Tool is an innovative, stealth-mount multi-tool designed to fit neatly inside your MTB bottom bracket for instant, on-the-trail access. This integrated system combines a precision 7-function metal folding tool and an aluminum 13-speed chain tool, all held securely by built-in magnets. Compatible with SRAM DUB, Shimano GRX/Deore XT/SLX, and FSA Hollow cranks, it's the perfect minimalist solution for riders who prefer a clean setup without bags. Crafted from chrome-vanadium steel and aluminum with polymer dust caps, it's rugged, lightweight, and built for long-term reliability on any ride.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.Manufacturer Sku: TT2613Todson Sku: 60102613