Sanmum 1Pcs MTB Bike Ceramic Rear Derailleur Pulley Wheel, 12T/14T Hybrid Ceramic Bearing, Components for Road Bike, Mountain Bike, MTB, BMX (12T,Red)

Sanmum 1Pcs MTB Bike Ceramic Rear Derailleur Pulley Wheel, 12T/14T Hybrid Ceramic Bearing, Components for Road Bike, Mountain Bike, MTB, BMX (12T,Red)

• COMPATIBILITY: Ceramic Pulley Wheels feature low friction bearings and crisp shifting making them the perfect upgrade for your MTB System. Ceramic material can reduce resistance and long service life.
• ULTRALIGHT AND RESISTANT:The lightweight design paired with the strong aluminum used to manufacture them gives our pulleys a higher strength-to-weight ratio and flawless shifting properties. Our bicycles rear guide wheel is lightweight, so it will not bring for additional burden to the bicycles.
• IMPROVES PEDALING SPEED BY REDUCING FRICTION: The ceramic inner bearing, specially designed for cycling, has minimal friction that significantly improves performance thanks to a much smoother transmission.
• SMOOTH RIDE: Deep toothed guide wheel to reduce chain drop. Positive and negative tooth guide wheel can effectively inhibit the horizontal swing of the chain, so that the speed is more accurate.
• INSTALLATION: These derailleur pulley set are very easy to install with an allen key by simply removing the screw that holds the pulley to the derailleur. It is very suitable for 12, 14-teeth bicycles. It can be used for chain transportation and variable speed. Install it on your bicycles to make you more ease when riding a bicycles. And adapt to the bike speed: 8/9/10/11 speed.