MEROCA 12T MTB Road Bike Rear Derailleur Ceramic Bearing Pulley Wide Narrow Tooth Bicycle Guide Wheel For Shimano Sram
MEROCA Ceramic Pulley Wheel
Descriptions
Brand: MEROCA
Name: Ceramic Pulley Wheel
Meterial: ceramic bearing + 7075 aluminum alloy
Diameter: 50mm
Thickness: 8mm
8, 9, 10, 11 speed all can use it.
Almost all the MTB mountain bike Iamok road bike derailleurs can use it.
12T is bigger diameter ,some derailleurs use 11T may not use( such as M370 M490 M4000) ,please measure first.
