Aluminum Alloy Bike Crank Set 18mm Bicycle Crankset with Black Crank Cover and Screws 3Pcs - Lightweight Mountain Bike Cranks for Road & Cycling, Durable Replacement Crank Arm Kit for Smooth Riding

【GREAT DECORATION】The mountain bike crank with 3 different color for you to chose, meet different needs. CNN bright color makes it be a great decoration for your bikes. 【EASY TO INSTALL 】This bike crank is lightweight, easy to install and use.Fits most mountain bikes with hollow shaft. Used for bicycle integrated hollow crankset(crankset side). 【PREMIUM MATERIAL】This crank is made of aluminum alloy material, high strength, corrosion-resistant, sturdy and With anti-rust, colorfast, lightweight and 【SUIT RANGE】This crank is used to fix the the crankset and crank of the chain wheel, which is a great accessory for cycling enthusiasts. Waterproof, dustproof, super light. 【DISTRIBUTE THE PRESSURE】This crank can distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part. The fine design with precise machining, fits crank perfectly and offers professional fixation of crank.