DescriptionThis item is made of steel with coating, high strength, anti-rust, colorfast, lightweight, durable. It is used to fix the the crankset and crank of the chain wheel. Fine design with precise machining, fits crank perfectly and offers professional fixation of crank.Features- Color: Silver. - Material: Steel. - Size: 2 x 2 x 0.8 cm. - HIGH QUALOITY MATERIAL: Made of steel with coating, high strength, anti-rust, colorfast, lightweight, durable. - FINE WORKMANSHIP: It is used to fix the the crankset and crank of the chain wheel. Fine design with precise machining, fits crank perfectly and offers professional fixation of crank. - REASONABLE DESIGN: The narrow wide tooth design, increasing the area with the chain greatly and grasp force, make you no longer worried about the chain dorpped, easy to pass through the bumpy road. - WIDELY USES: Suitable for mountain bikes, road bike, folding bike, fixed gear bike, downhill bike, track bike, etc.