‌Enhance your 12 speed bike maintenance with these aluminum alloy cassette lockring covers. Designed for smooth installation and reliable performance, these lockrings provide a secure fit for your drivetrain system.The anti-slip grooves ensure steady handling during adjustments, making them ideal for routine servicing and upgrades.Item Type: Flywheel Lock CoverMaterial: Aluminum AlloyApplicable Model: For M7100 M6100 M8100 SeriesColor: Black,RedDiameter: Approx.3.2cm(1.26in)Packing List:2 x Cassette LockringNotes:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data. Compatibility: Designed for 12-speed bike systems with precise 3.2 cm diameter ensuring seamless fit for M7100 M6100 M8100 series delivering reliable performance during rides and maintenance Material Construction: Crafted from premium aluminum alloy providing exceptional strength and durability while maintaining lightweight properties at just 1.26 inches for effortless handling Anti-Slip Groove Design: Features strategically placed grooves for enhanced grip during installation and removal reducing slippage and ensuring secure positioning throughout your cycling sessions Precision Machining: Engineered with exacting tolerances for smooth thread engagement and consistent performance making gear adjustments and cassette maintenance remarkably straightforward Complete Package: Includes 2 lockring covers in black offering backup solutions and color customization for your cycling setup needs ASIN B0GQ3MR7FZ Size 1.26 Color Black Material Aluminum Alloy Brand Name MOPFOL Model Name Cassettes & Freewheels Item Weight 13.61 g Part Number PHDPC1H03-B/PH06-YY Manufacturer MOPFOL Package Weight 13.61 g Number of Items 1 Suggested Users unisex-adult Included Components Flywheel Lock Cover Warranty Description No Item Dimensions LxWxH 3.54 x 2.76 x 0.51 inches Item Package Dimensions L x W x H 3.54 x 2.76 x 0.51 inches