Description: 【1.1 Module Differential】: This aluminum differential gearbox features precision 1.1 module gearing that ensures great meshing and power transfer, ideal for RC enthusiasts who demand maximum performance and reliability in high driving conditions 【Aluminum Alloy Housing】: Crafted from quality aluminum alloy, the differential housing provides great heat dissipation and wear resistance, no more overheating issues or premature wear even during extended running sessions in demanding environments 【High Carbon Steel Gears】: The sturdy high carbon steel gears offer exceptional durability and impact resistance, making this differential assembly great for brutal bashing and competitive biking where gear failure is not an option 【35+8T Gear Ratio】: With its optimized 35+8T gear ratio, this differential provides enhanced controllability and torque management, ideal for backflip specialists and off road bashers who need precise power delivery for extreme stunts and jumps 【Professional Grade Performance】: Weighing only 110g, this complete differential assembly delivers professional level performance for serious RC hobbyists, offering a great upgrade solution for no more stripped gears or performance limitations in your RC vehicle Specification: Material: Aluminum Alloy, High Carbon Steel Part Number: ARA310990 Compatible: for 1/8 , 1/8 , 1/7 , Size Chart: 3.8cmx3.8cmx6.9cm/1.50inchx1.50inchx2.72inch Package Includes: 1 RC Differential Gear