High-tensile steel bearing with rubber dust seal and CNC aluminum alloy wheel.
Reduce friction, increase stiffness, enhance durability, for long use.
Used on rear derailleur for chain transportation and speed changing.
A replaceable 4mm bushing is included. (the 5mm one is configured)
Please refer to the size carefully before you buy it.
Color: Black / Red (Optional)
Outer diameter: 41mm / 49mm
Hole diameter: 6mm
Bushing diameter: 5mm / 4mm
Package size: Approx. 10 * 7 * 1cm / 3.9 * 2.8 * 0.4in
Package weight: Approx. 11g / 14g
1 * Rear Derailleur Pulley