2PCS 11T Bike Rear Derailleur Wheel Aluminum Alloy Bike Derailleur Pulley Bike Upgrade

Label:Yes Aluminum Alloy with Metal Bearing: Built with an aluminum alloy body and metal bearing, these guide rollers offer stable chain movement for bicycle drivetrain service. The solid structure is suitable for daily riding, trail use and bike repair work. Clear Size Details: Tooth count is 11T, outer diameter is about 41 mm(1.61 in) , and thickness is about 8.3 mm(0.33 in). Please check your original pulley size, tooth count and axle diameter before purchase. Smooth Shifting Support: Designed for compatible mountain bikes, road bikes and bicycle rear derailleurs, these guide rollers help support chain tension, guide chain travel and assist smoother gear shifting during drivetrain maintenance. Compatible Shaft Sizes: Each pulley has a 6 mm(0.24 in) inner diameter and includes 4 mm(0.16 in) and 5 mm(0.20 in) adapter sleeves, making the set suitable for compatible 4 mm(0.16 in), 5 mm(0.20 in) and 6 mm(0.24 in) rear derailleur pulley axle setups. 2PCS 11T Pulley Set: Package includes 2 red bicycle rear derailleur pulley wheels and 4 adapter sleeves. Two sleeves are already installed on the pulleys, and the other sleeves are packed for axle size adjustment during fitting.

Item Type: Mountain Bikes Derailleur Pulley Material: Aluminum Alloy Body with Metal Bearing Color: Red Tooth Count: 11T Quantity: 2 Sets Outer Diameter: Approx. 41 mm(1.61 in) Thickness: Approx. 8.3 mm(0.33 in) Inner Diameter: 6 mm(0.24 in) Adapter Sleeves Included: 4 mm(0.16 in) and 5 mm(0.20 in) adapter sleeves Compatible Rear Derailleur Axle Size: Suitable for 4 mm(0.16 in), 5 mm(0.20 in) and 6 mm(0.24 in) rear derailleur pulley axle setups

Package List: 2 x Derailleur Pulley 4 x Sleeves(Two of the sleeves are already installed.)

Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.