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Prep your new frame or save your old one with the precision Park Tool BTS-1 Bottom Bracket Tapping and Facing Set. First, the BTS-1 taps and cleans the threads in the bottom bracket shell for perfect threading or to fix your last huge mistake. Then it uses the taps as guides to clean up the faces of the bottom bracket shell.
- Includes English taps, 1.370" x 24 TPI right hand thread for the adjustable cup, and 1.370" x 24 TPI left hand thread for the fixed cup
- Item #PAR0249