Folding Bike Cranksets Integrated Chainwheel Positive Negative Tooth Single Disc

  
Material: 7075 aluminum alloy body + shaft core. Bottom axis: 24mm swing bottom bracket. Weight: about 597g (crank + five claws). About 699g (crank + five claws + bottom bracket). Features: pull-locking, a geometric cavity is formed inside the crank, which is lightweight and provides higher strength.