bicycle jockey wheel pulley for speed gear set Mountain bike or Road Bike pulley Speed Rear Derailleur Wheel
Product description
*11T rear RD pulley weight: 9g
*Material: AL7075-T6 aluminum alloy CNC machining
*Installation size: 6MM/5MM/4MM
*outside diameter 42mm
*Color: Anode red, enamel, blue, gold, titanium
*Bearing: Steel Ball Bearing / Ceramic Bearing
*suitable for : All conventional transmissions
*This product is made of AL7075-T6 round bar CNC, finished with diamond knife, diamond-like The metal texture and the appearance of the product are excellent. Adopting the Japanese imported steel ball lining, the rotation has no resistance, which greatly reduces the frictional resistance and improves the riding efficiency.
This is the most conventional RD pulley, but with much improved material, appearance, process and assembly.
For very little cost, you can have a much better product than the original ones.
