Hasaller Bike Bottom Bracket Conversion Kit for 68mm and 73mm Frames Aluminum Alloy Eccentric BB Adaptor with Steel Spindle Black

• [KIT CONTENTS AND FITMENT] Package contains 1 bike bottom bracket conversion kit suited for eccentric BB conversions on 68mm and 73mm shell widths, allowing tension adjustment for fixed-gear conversions and internal-gear hubs.
• [SECURE ENGAGEMENT] CNC-cut tooth pattern locks the eccentric unit into place for reliable chain alignment and consistent torque transfer during pedaling.
• [ALUMINUM PLUS STEEL DESIGN] Combination of aluminum alloy body and steel bearing/contact areas reduces weight while improving wear resistance where it matters most.
• [QUICK UPGRADE] Streamlined component design supports a faster swap of your bottom bracket system with common bike tools, letting riders update setups without a full overhaul.
• [MEASURE BEFORE BUYING] CHECK YOUR SIZE CHART INSTEAD OF AMAZON'S SIZE CHART. Verify your frame's bottom bracket shell width and axle compatibility to select the 68mm or 73mm option.

Features: *Adjustable Length: This bicycle eccentric bottom bracket conversion kit allows for adjustable lengths of 68mm or 73mm, providing versatility to fit various frame specifications and enhancing compatibility with different bicycles. *Precision Engineering: The CNC precision tooth pattern ensures a for perfect fit with the frame upon installation, promoting long-term stability and efficient power transmission while minimizing wear and tear. *Lightweight Construction: Made from aluminum alloy, this kit is designed to reduce overall weight without sacrificing strength, making it an excellent choice for performance-focused cyclists. *Enhanced Durability: The use of high-strength materials contributes to increased hardness and longevity of the bottom bracket, reliable performance under various riding conditions. *Easy Installation: This kit is designed for straightforward installation, allowing cyclists to quickly upgrade their bike's bottom bracket system without requiring extensive mechanical knowledge or tools. Specifications: *Product Name:Bike Bottom Bracket *Material:Aluminum Alloy + Steel *Size:68-73mm*55mm *Color:Black Package Content: 1 x Bike Bottom Bracket