Enhance your electric bike's performance with this precision-engineered Motor Bike Gear Adapter, specifically designed to fit bafang electric bike central drive motors BBS01 and BBS02. Crafted from high-quality aluminum alloy, this sprocket adapter offers exceptional hardness and durability, surpassing the strength of original steel sprockets for long-lasting use. Key Features: · Precision CNC Machining: Manufactured using advanced aluminum alloy CNC cutting technology to ensure high accuracy and optimal fit, improving the overall motor performance. · Durable Aluminum Alloy Construction: Built with premium aluminum alloy for superior hardness and wear resistance, guaranteeing a firm and reliable connection with your bike's motor. · Excellent Compatibility: Perfectly compatible with bafang BBS01 and BBS02 central drive motors, making it an ideal replacement or upgrade part for your electric bike. · Lightweight Design: Weighing approximately 205g (7.2oz), this adapter maintains a light profile that does not add unnecessary weight, preserving the bike’s speed and handling. · Easy Installation: Features a compact size and simple structure for quick, hassle-free installation and removal, allowing seamless replacement of original or damaged adapters. · BCD 104MM Compatibility: Designed to support 7, 8, 9, 10, and 11-speed chainrings, offering versatile application across various bike setups. Specifications: · Item Type: Motor Bike Gear Adapter · Material: Aluminum Alloy · Weight: Approx. 205g / 7.2oz · BCD: 104MM · Applicability: Compatible with 7, 8, 9, 10, 11-speed chainrings Package Includes: · 1 x Motor Bike Gear Adapter Optimize the efficiency and durability of your bafang electric bike motor with this high-precision, lightweight aluminum alloy gear adapter, designed for seamless fit and reliable performance during every ride.