aluminium alloy construction: Built from aluminium alloy to deliver durable, reliable braking performance for your electric scooter, with resistance to wear and corrosion over time. Compatible with various disc sizes: Designed to fit 140mm or 160mm brake discs, making it suitable for both 8inch and 10inch electric scooters and enabling versatile braking options. Easy installation with mounting options: Front caliper mounting hole spacing is 51mm, while rear caliper spacings are 44mm and 51mm, allowing straightforward installation across different scooter setups. Benefits and why you need it: Improves braking reliability: Provides dependable stopping power under regular and demanding riding conditions, helping to enhance rider safety. Low maintenance, longlasting: The aluminium alloy construction supports durability and reduced need for frequent replacements. Broad compatibility: Works with common disc sizes and multiple scooter wheel configurations, reducing the need for custom parts. What makes it stand out: Durable, lightweight material for strong performance without adding excessive weight. Flexible mounting options for front and rear use across a range of scooter models and builds. Clear compatibility with both 8inch and 10inch scooters that use 140mm or 160mm discs. Use scenarios: Scenario 1: Upgrading an 8inch scooter with 140mm or 160mm discs to improve braking response on daily commutes or urban riding. Scenario 2: Replacing worn or unreliable calipers on a 10inch scooter to restore consistent stopping power during steep descents or speed riding. Scenario 3: DIY scooter build or parts replacement where a versatile front and rear caliper kit with multiple mounting spacings is needed to fit different configurations. Note: 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.