Park Tool Bottom Bracket Tapping & Facing Set (BTS-1) colour-tropical-citrus Rims with a square rim

Rims with a square rim section will use the square rubber base

Compatible Rear Derailleur Type: MTB 7-speed

Shimano MT520 hydraulic brakes

About Park Tool Bottom Bracket Wrench Tool (HCW-18)

Park Tool Bottom Bracket Tapping & Facing Set (BTS-1) colour-tropical-citrus Rims with a square rimAbout Park Tool Bottom Bracket Tapping & Facing Set (BTS 1) The 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