Park Tool BBT-35-36 Bottom Bracket Tool

Park Tool BBT Series Bottom Bracket Tools.

• Fits 36-notch bottom bracket tool fittings with a major diameter of 51–53 mm and a minor diameter of 50.7 mm, including: Box Two Oversized M35, and Praxis Works M35
• Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive