说明

• 2/4pcs 10T MTB Bikes Jockey Wheels Mountain Road Bicycles Rear Derailleur Guide Pulley Roller Idler Bearing Plastic Black Parts Features: * brand new and nice *Made of positive materials, * Improve shift performance by way of lowering the burden pressure exerted on the rear derailer Product parameters: *Material: Plastic *Color: Red (as shown in the picture) *Specification: 10T/13T/15T *Weight: 15g Package list: 2*Guide wheels Note: 1 The real color of the article could also be slightly varied from the pictures shown on web content caused by many factors akin to brightness of your video display and light-weight brightness 2 Please enable slight handbook measurement deviation for the data

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