KTPL 14T/14T Rear Derailleurs PulleyProduct description *14T narrow wide tooth guide wheel weight: 12g *Material: AL7075 T6 aluminum alloy CNC machining *Installation size: 6MM 5MM 4MM *outside diameter 57. 5mm *Color: en *Bearing: steel ball hybrid ceramic bearing ceramic Bearing *Scope of application: for the lower guide wheel of the transmission, please use the 12T narrow wide tooth guide wheel with this pulley. *This product is made of AL7075 T6 round bar CNC. It is finished with

Banana spokes are spokes with a special shape

Reynolds 20/24 hole hub

just use ordinary wrench to install

Weight: 175gram

helping to generate braking force to slow down or stop the vehicle

Name: Aerus C4

-Weight: 284g (manufacturer

good sound

Weight: 139g

Height:12mm+1mm

Material：carbon jacket aluminum

thereby increasing the speed and performance of the bike