Shimano altus M310 8 speed. Black/red or Customer's Request. The item "Carbon Fiber e-bike mountain 8 speed high quality 750w 48V electric bicycle" is in sale since Monday, April 20, 2020. This item is in the category "Sporting Goods\Cycling\Electric Bicycles". The seller is "philippestore" and is located in Xangai.This item can be shipped worldwide.