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Features:
1. Single-speed folding bicycle use
2. The bearing shaft is used, which can be matched with a variety of guide wheels, which is easy to install
3.6061 aluminum alloy, high strength, light weight, compatible with 11T/13T rear derailleur folding bike
4.CNC numerical control machining, surface anodized treatment, anti-skid and wear-resistant, strong texture
5. Adjust the tension of the chain, reduce the tooth feeling of the chain, and make it easier to step on; prevent the chain from falling, and the oval disc works better with the zipper

Specifications:
Material: 6061 aluminum alloy

Package List:
1PCS

Notes:
1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.
2. Please allow 1-2cm slight dimension difference due to different manual measurement.