Bicycle Ceramic Bearing 16T Pulley Wheel Set Rear Derailleurs Guide Wheel 11 Speed For Shimano Ultegra/DURA ACE Bike Part mountain bike derailleurs Model: FD-M21

Model: FD-M21

Internal structure: oil spring

such as the BXT brand carbon fiber frame

The gauge then is rotated with the wheel to the 3

RD-R8000 is about 92g

Bicycle Ceramic Bearing 16T Pulley Wheel Set Rear Derailleurs Guide Wheel 11 Speed For Shimano Ultegra/DURA ACE Bike Part mountain bike derailleurs Model: FD-M21Brand: Meroca Number of teeth: 16t Material: 7075 aluminum alloy support + 7075 aluminum alloy guide wheel + ceramic Peilin Color: Black \ red \ electroplating Weight: 8800RD is about 78g,RD R8000 is about 92g,8700RD is about 90g The main material is 7075 aluminum alloy, CNC cutting, anodizing and coloring; 16t Peilin guide wheel can more precisely match the bicycle chain and improve the speed change efficiency. A variety of models can be selected.