KTPL 12T/14T Rear Derailleurs Pulley*12T narrow wide tooth guide wheel weight: 11. 4g *14T narrow wide tooth guide wheel weight: 12g *Material: AL7075 T6 aluminum alloy CNC machining * installation size: 6MM 5MM 4MM *12T outside diameter 50. 3mm *14T outside diameter 57. 5mm *Color: Black *Bearing: steel ball forest ceramic Palin *Application scope: All conventional transmissions *This product is made of AL7075 T6 round bar CNC. It is finished with diamond knife and has a diamond like

range:    Suitable for Shimano full range of cranksets

unlike the threadless stem which clamps outside the fork tube

Weight: 500gram

such as straight spokes

Weight: 250gram

Height: 15mm

Inner diameter: 25mm

Weight(重量) :221g

the functions of the built-in cable tube include:

Weight: 140gram

Bicycle 28H Centerlock front hub

thickness 7mm