Introducing the MUQZI Bottom Bracket Thread Tapping Tool, designed specifically for cycling enthusiasts who demand precision and durability. This essential tool is perfect for making new threads or reworking damaged or jammed threads on your bike’s bottom bracket. Say goodbye to threading issues and hello to seamless rides!

Key Features:

• Versatile Functionality: Ideal for creating new threads or repairing existing ones, ensuring your bottom bracket operates smoothly.
• Durable Construction: Made from high-speed steel with titanium plating, this tool is engineered for superior cutting performance, increased wear resistance, and prolonged service life.
• Precision Engineering: All cutting teeth are CNC machined and heat-treated, providing optimum thread performance every time.
• Adjustable T-Handle: The detachable handle allows you to slide the metal rod left and right, increasing leverage even in tight spaces.

Operation Instructions:

1. Apply special tapping oil to both the tap surface and the inner diameter of the bottom bracket before starting.
2. Ensure that the tool and bottom bracket are aligned horizontally before tapping.
3. If resistance is too high during the tapping process, retreat a few laps to allow for chip removal before continuing.

Product Specifications:

• Material: Aluminum Alloy + Stainless Steel
• Tap Model: BC 1.37*24
• Size: 220×127×35MM
• Handle Size: 240x14MM
• Weight: 1.087 Kg
• Delivery List: Includes L/R End Tap (each one), 2 Rotary Handles, and 1 Wrench.

Tap Variants:

• Starter Edition: High-Speed Steel Titanium-Plated, suitable for aluminum alloy shell threads.
• Professional Edition: High-Speed Steel Titanium-Coated with Cobalt, perfect for aluminum, iron, and stainless steel five-way threads.

Enhanced Design Features:

• Lightweight Yet Strong: Crafted from 7045 aviation aluminum, offering increased stiffness while reducing weight.
• Deeper Chip Removal Design: Effectively prevents chip buildup, ensuring smooth operation while tapping.
• Burr-Free Threads: Produces sharp, clean, and deep threads for optimal performance.
• Non-Slip Surface: Designed for a secure grip, ensuring ease of use even under pressure.

Usage Directions:

1. Clear excess impurities inside the five-way.
2. Add lubricating oil inside the five-way and to the tap.
3. Align the bottom bracket in the correct R (right) or L (left) direction.
4. Use a combination of advancing and retreating for efficient tapping.
5. Once tapping is complete, clean up any excess impurities.

Visual Representation:

Compare the tapping effects on different materials; the left shows the effect on stainless steel, while the right illustrates the effect on aluminum alloy, ensuring you understand the capabilities of this tool.