Welcome to our store！</br> 1、Aluminum Alloy: Made of aluminum alloy, the bike crank arm is strong, durable and not easy to oxidize. 2、Not Easy to Fade: Anodized surface, electrode oxidation technology, the metal surface forms a protective film, the color is bright and not easy to fade. 3、High Performance: The heat treated forged crank has an arched structure with light weight, high strength and faster speed. 4、Specification: The center distance of BCD is 130mm, which is convenient to carry and store, practical and convenient to use. 5、Wide Application: Bike crank arm can used for folding bicycle, road bike, easy and simple to operate. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Hollow Bottom Bracket Crankset Model: 130mm crank, bottom bracket BB68 Material: Aluminum Alloy BCD Center Distance: Approx. 130mm / 5.1in Motor Weight: Approx. 833g / 29.4oz Application: Suitable for BMX, folding bikes <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 2 x Crank 1 x Bottom&nbsp;Bracket 2 x Accessories Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>