9/16 in

1.FRONT LASER LOGO CORROSION RESISTANCEBeautiful & clear,Highly Polished Surface,Stronger Texture.2.UPGRADED VERSION 3 BEARING PEDALSHigh-lubrication shaft / Ultra-light hollow design / Upgraded stainless steel cleats /Aluminum alloy scratch-resistant material / Widened tread / Long-lasting durability3.3 BEARING ROTATION IS SMOOTHERSuitable for the sole of the foot, riding more effortlessly.4.CHROME MOLYBDENUM STEEL SHAFTHigh strength, stable and durable, not easy to break.5.CARBON FIBER AXLE TUBELighten the weight of the structure / Anti-friction / Corrosion-resistant / Stable and durable6.WIDEN THE PEDAL AREASuitable for the sole of the foot, riding more effortlessly.7.L ARGE AREA HOLLOW ONLY 139G FOR A SINGLEReduced pedal weight reduces rider burden and makes riding more comfortable.8.UPGRADED STAINLESS STEEL ANTI-SKID NAILSThere are 8 anti-skid nails on each side, making the riding more secure and stable.Payment We accept these payments: Credit Card, PayPal, Google Pay, VISA, Master Card, Amex,Discover, etc. Shipment In our Store, order will be shipped out within 1-2 working days since you finish payment, not include weekend and other holiday. Return Policy After receiving the item, you should contact us within 30 days.If you want to return the item,please contact us first,we will tell you how to return it,thanks. Feedback Please leave positive feedback 5 stars if you are satisfied with our units and services. Your satisfaction and positive feedback are really very important to us. If you have any problems with our items or services, please feel free to contact with us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services.