Park Tool Bottom Bracket Tool Retaining System BBT-RS

- The BBT-RS uses a spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage and possible cross threading\n- Features an M8 threaded rod and a double-sided adapter nut with M12 and M15 threads, allowing it to thread directly into any compatible cartridge bottom bracket\n- The M15 adapter can also be used to install any of Park Tool's nine aluminum bottom bracket tools, all of which feature integrated threading for use with the tool\n- Retailers are not permitted to sell on the Amazon.com marketplace unless authorized in writing by Park Tool