Park Tool
Park Tool BBT-4 Bottom Bracket Tool with Handle
What Does the BBT-4 Bottom Bracket Tool Include?
The Park Tool BBT-4 is a bottom bracket tool paired with an integrated handle, designed for removing and installing threaded bottom brackets without needing a separate handle or bench vise. The notched spindle driver engages the bottom bracket cup directly, while the long handle gives you the leverage to break loose even the most stubborn threaded cups. Machined from hardened steel, the BBT-4 holds its geometry under high torque without flexing or slipping off the cup interface.
Having the handle built in means one less tool to track down when you're mid-service. The BBT-4 is compatible with a wide range of threaded bottom bracket standards, making it the go-to choice for shops and home mechanics who want clean, efficient bottom bracket service without improvising with an adjustable wrench.