Description
The Park Tool BT-2 4th Hand Tool is a professional bicycle cable stretcher designed to hold brake or derailleur cables under tension while you tighten the anchor bolt. Ideal for road, mountain, commuter, and shop service work, this specialty pedal wrench category tool alternative helps deliver precise cable setup on bikes with mechanical braking and shifting systems.
- Fits most bicycles using standard mechanical brake and shift cables, including road caliper brakes, cantilever brakes, V-brakes, and mechanical derailleur systems.
- Official Park Tool item number BT-2, commonly identified as a fourth hand or cable stretcher for brake and derailleur adjustment.
- Often searched as park tool bt- hand tool replacement or park tool usa park tool bt- hand tool when replacing a worn cable tensioning tool in a home or pro workshop.
Built by Park Tool USA, the BT-2 features a convenient ratcheting thumb lock that maintains cable tension with one hand, freeing the other to secure the pinch bolt. The tool is made from chrome-plated, heat-treated steel for long service life and includes cushion grips for comfort during repeated use. This is an original Park Tool product rather than a generic aftermarket version, making it a dependable choice for mechanics who want consistent leverage and secure cable holding power. Installation difficulty is low, with easy DIY use for cable replacement, brake tuning, and derailleur adjustment.
A trusted, OEM-quality workshop tool with easy DIY operation and same-day shipping from our warehouse.
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