Park Tool BTS-1 Bottom Bracket Tapping & Facing Set D1 Cog Sizes: 10-52t: 10

Cog Sizes: 10-52t: 10

5 mm of section

providing unmatched performance across various gravel conditions

passionate competitors balance family

5 mm offset is a direct replacement for the original chainring

Park Tool BTS-1 Bottom Bracket Tapping & Facing Set D1 Cog Sizes: 10-52t: 10The BTS 1 is a precision tool system for ensuring threaded bottom bracket shells are properly aligned and faced. The precision manufactured two piece tap handle engages through the bottom bracket shell, ensuring both sides are aligned with the shell and each other. The included English threaded taps precisely verify and repair the alignment of threads in the shell. After tapping, the taps act as guides to keep the included facing cutter perfectly