Park tool BBT-RS bottom bracket tool

Conquer stubborn bottom brackets with the Park Tool BBT-RS Retaining System. This innovative tool applies consistent, adjustable spring tension to your existing Park Tool BB wrench, ensuring full engagement with difficult fittings. It prevents tool slippage and protects components from damage by threading into the crank arm spindle to hold the wrench firmly in place. Ideal for over-torqued, corroded, or seized bottom brackets, the BBT-RS offers stability and security for a controlled, precise operation. Compatible with M8, M12, and M15 spindle threads and 3/8 drive tools, it´s essential for serious home mechanics and professionals