Features: Direct current aluminum cable headpieces secure efficient transmission for brake and change cables, enhancing responsiveness during crisis decelerating, ideal for mountain and road biking enthusiasts. Permanent and oxidation immune aluminum housing maintains stable execution in humid otherwise showery conditions, excellent for outdoor cycling enthusiasts. Thin plan includes minimal weight to cycle, improving riding efficiency and making remote excursions and commutes more comfortable. Global 4/5mm size accommodates most mountain and road velocipedes, simple install lacking complex adjustments, suitable novices and handbuilt enthusiasts. Accuracy constructed inner cable headpieces secure secure associations between the cable and cycle body, stopping slippage and wear, ideal for detail oriented cycling enthusiasts. Specifications: Substancemail: Aluminum alloy, that is light and permanent, can effectively resist oxidation and wear. Sizemail: Outer diameter 5MM Selling characteristicsecond: Provide three color choicesecond: black, blue and rose to meet the individualized demands of different users. Practicality: This set of inner center headpieces is developed to protect the conclusions of cycle brakes and variable speed tubes, stopping wear and loosening of cylinders, and improving riding security and stability. Record player various cycling circumstances, including mountain cycling, road cycling, and. Package Includes: Aluminum alloy tube sleeve × 30 note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.