Demeras Crankset Bearing, Mountain Bike Bottom Bracket Aluminum Alloy Integrative Bike Chain Wheel Thread Bottom Bracket Shell 68-73mm(Gold)

Demeras

[Durability]: Mountain bike chainwheel adopts special technology, good quality with a long life span. [Waterproof]: Separate rubber gasket, spring inside, prevent water and dust, super waterproof. [Easy Installation]: Smooth rotation, easy installation and Applicable for Integrative crankset, if Only the diameter of the cylinder in hollow crankset is about 24mm. [Premium Material]: Thread crankset bearing is made of qualified aluminum alloy material, solid and has durability. [Cycling Accessory]: Thread integrative crankset bearing is a great accessory for cycling enthusiasts.