Compatible with a majority of threaded & thread-together b.b. standards
-M8 threaded rod & adapter nut with M12 & M15 threads
-Threads directly into any compatible cartridge bottom bracket
-Designed to work with Park Tool's nine aluminum bottom bracket tools
-The Park Tool Bottom Bracket Tool Retaining System helps ensure engagement with Bottom brackets. The BBT-RS uses a spring a tension system to apply consistent, adjustable pressure to your B.B. tool to preventing slippage.
-Available for Pickup within 2 to 1 businesses days