Dual Functions for Versatile Use: Specially designed with an 8mm hexagonal head and detachable square head cover, this tool offers dual functionality. Tighten bottom bracket screws with the hexagonal head or use the square cover with a standard wrench for various maintenance tasks, streamlining your toolbox for efficiency. High-Strength Alloy for Durability: Crafted from high-strength alloy material and subjected to precision processing and heat treatment, this tool guarantees wear resistance and durability. Whether for routine maintenance or professional repairs, it ensures longevity and reliable performance, extending the lifespan of your bicycle components. Precision Design for All Bikes: Tailored for bike enthusiasts and professional technicians, this integrated bottom bracket repair tool features an 8mm inner hexagon and square head cover that precisely match most bicycles on the market. Enjoy accurate operations and enhanced maintenance efficiency with this professional-grade tool. Ergonomic Comfort for Extended Use: The tool's handle boasts an ergonomic design that aligns with natural hand-holding habits. Experience a comfortable grip even during prolonged use, reducing hand fatigue. With anti-slip texture for stability, this tool ensures safety during maintenance tasks, enhancing overall operational comfort. Compact Portability for On-the-Go Use: The tools are compact in design and easy to store, whether it is placed in a bicycle backpack or a repair kit, it can be easily carried without taking up space. When you need emergency repairs or adjustments to your bike, this tool can be used quickly to make your ride smoother and hassle-free. Description: Enhance your biking experience with this versatile and durable tool. Featuring a specially designed 8mm hexagonal head and detachable square head cover, it offers dual functions for various maintenance tasks. Crafted from high-strength alloy material, this tool is wear-resistant and long-lasting, ensuring reliable performance during routine maintenance or professional repairs. Designed for precision, it accurately fits most bicycles on the market, making maintenance tasks efficient and accurate. The ergonomic handle provides a comfortable grip, reducing hand fatigue during prolonged use. Compact and portable, this tool is easy to carry and store, making it ideal for emergency repairs or tune-ups on the go. Item Name: Bicycle Repair Tool Material: Metal Features: Bike Accessories, Heavy Duty, Portable Size Size Details: Hex Wrench: 20.9cm x 0.71cm/8.23" x 0.28" (Approx.) Bend Length: 3.98cm/1.57" (Approx.) Bottom Bracket Tool: 29cm/11.42" (Approx.) Chain Length: 23cm/9.06" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Set of Bicycle Repair Tools