Unbranded Chainring Tensioner Rear Derailleur Zipper Folding Bike Chain Guide Pulley For 11-28 Tooth Plate B

Brand:Suitable for gear ratio: 11-28 teethGuide wheel: 8T positive and negative teeth sprocket: 10 teethShifter: 10 Speed Shiftercolor:BlackMaterial:Aluminum alloyPackage Contents:1 x chain tensioner1 x Guide Wheel1 x DialOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.