Description:

Made of aluminum alloy material, anti-rust and anti-corrosion, lightweight and durable.

High rigidity ceramic bearing, super smooth and noiseless.

Fits for almost all mountain bike of 11T and 13T, suitable for use 4/5/6 mm wheel screws.

Easy installation. Necessary accessories for your bicycle.

This bike roller pulley can reduce drag and improve cycle efficiency, offers you a better cycling experience.

Specification:

Material: Aluminum Alloy

Diameter: Approx.

11T: 41mm/1.61inch

13T: 49mm/1.93inch

Package Includes:

1 Piece Bike Jockey Wheel (with 2x Installation Hole Adapter Tubes Sleeve)(3 Pack)

Note:

Due to the differences between different monitors, the picture may not reflect the actual color.

There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item. Thanks!