Features: 1.Chain roller pulley slider complete with heavy duty bearings ready to use 2.This chain pulley roller slider is an necessity for wheel guide, which helps the driving system to function well 3.It is made of premium materials for strong strength and long durability 4.Comes with several colors for choices. It will match your vehicle chain perfectly 5.It is suitable for most of dirt pit bikes, street bikes, motorcycles, ATV, off road vehicles, etc Specification: Features: _x000D_ Chain roller pulley slider complete with heavy duty bearings ready to use. _x000D_ This chain pulley roller slider is an necessity for wheel guide, which helps the driving system to function well. _x000D_ It is made of premium materials for strong strength and long durability. _x000D_ Comes with several colors for choices. It will match your vehicle chain perfectly. _x000D_ It is suitable for most of dirt pit bikes, street bikes, motorcycles, ATV, off road vehicles, etc. _x000D_ _x000D_ Specifications:_x000D_ Material: Metal, Plastic_x000D_ Color: Red, Orange, Blue, Green (optional of 8mm)_x000D_ Red, Orange, Blue, Green, Black (optional of 10mm)_x000D_ Inner Diameter: 8mm, 10mm(optional)_x000D_ Total Size: Approx. 32 x 28mm/1.26'' x 1.1''_x000D_ Package Weight: 40-45g_x000D_ _x000D_ Package Included:_x000D_ 1 x Chain Pulley Roller Slider_x000D_ _x000D_ Note:_x000D_ 1. Easy to install but professional installation is highly recommended._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. _x000D_ 3. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. PackageList: