Aluminum Alloy Bottom Bracket Wrench for T45 and T47 Threaded Systems

This bike repair tool is made from 6061 aluminum alloy and CNC machined for a solid finish. Designed as a bottom bracket tool for threaded systems, it supports T45 and multiple T47 sizes. Features accurate tooth profiling and a secure square-drive opening for clean engagement and reduced slippage. Anodized surface treatment and high-strength construction provide wear resistance. Practical for home garages and regular maintenance, helping riders service their crank area efficiently.