Features: * Metal and Plastic Construction: This thumb gear shifter is made of Aluminum alloy materials, providing durability and reliability in cycling. * Compatibility: Designed for use with, X7, X9, XO, XX, XO1, for XX1 finger pull/brake clamp ringand is compatible with some common bicycles, mountain bikes, folding bikes, and road bikes. * Enhanced Riding Comfort: With this thumb shift clamp ring, your cycling experience will be more comfortable and enjoyable, thanks to its effective design and usability. Specifications: *Product Name:Thumb shift clamp ring *Material:Alloy+ Plastic *Size:45*22*12mm *Color:black/red/gold *Processing technology: hollow design/CNC cutting/anodic coloring. Package Content: 1* Thumb shift clamp ring Note: 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 - Mountain Bike Transmission Shifter Clamp Ring Aluminum Alloy for SRAM Good Performance Materials - These bike accessories are made of premium material, ensuring their durability and long-lasting performance. Optimal Performance - These accessories offer versatility and adaptability to different cycling needs and provide optimal performance and reliable functionality enhance the riding experience and ensure safety. Easy Installation - These accessories can be easily installed on your bike to get your bike running again. After-sale Serive - We provide high quality products, if there is any problem with our product, please contact us.