The BBT-47 BB is a heavy duty, shop quality bottom bracket tool made by the masters of bike tools. Made from the highest quality materials and used by professional mechanics world wide, Park Tool is a brand you can trust to do the job perfectly, every time.

Specifications:

• Dual sided for use with 12-notch, 50.4mm outside diameter and 16-notch, 52.2mm outside diameter bottom brackets.
• 12-notch, 50.4mm suits Chris King ThreadFit 30, Wheels Mfg, and others.
• 16-notch, 52.2mm suits Chris King and Wheels Mfg
• BBT-47 BB Tool is compatible with Chris King T-47 and Enduro T-47, PF-30 models.
• Works with a 3/8" ratchet/torque wrench.