ITEM NAME:2x Bike Chain Tensioner Adjuster for BMX Fixed Gear Single Speed Track Bicycle 100% brand new and high quality Features: This is great because it can prevent chain slack on BMX, children bikes and any single speed bike Used to prevent the rear wheel from slipping forward under pressure For track, BMX, and fixie bikes with rear entry drop outs Specifications: Material: Metal Screw lengthï ¼Å¡47mm Diameter:5.7mm Gasket Size: 26*9mm Color: Silver Quantity: 2Pcs Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 1-3mm error due to manual measurement..This is great because it can prevent chain slack on BMX, children bikes and any single speed bike. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item.
