Original part No：ARA340200 + ARA340181 Major advantages of upgrading to this part/product：Upgraded to aluminum 7075 material, easy to install and disassemble, directly replacing the original plastic material, not easily deformed....
Original part No：ARA311192 Major advantages of upgrading to this part/product：(1) Aluminum 7075 material, Larger Inner bearing design, replacing base to achieve better gear fit (2) Equipped with heat dissipation function,...
