Mountain Bike Crankset 110/127/140/150/155/160MM Bike Crank Arms, Hollow Integrated Folding Bicycle Crank, With 28/30/32/34/36T Single Speed Round Narrow Chainring 7-12S With 68-73 BB(32T,140mm)

Mountain Bike Crankset 110/127/140/150/155/160MM Bike Crank Arms, Hollow Integrated Folding Bicycle Crank, With 28/30/32/34/36T Single Speed Round Narrow Chainring 7-12S With 68-73 BB(32T,140mm)

• Crank set Length: 6 sizes (110MM/127MM/140MM/150MM/155MM/160MM). Cranks Suitable for children's bike folding bike and Mountain Bike.
• Hollow Integrated Bike Crank Arms Set Aluminum Alloy Material: Crank Weight about 550g, Bottom Bracket about 95g, Chainring about 80g, Light weight, High strength and durable, high hardness, not easy to deform.
• Chainring: 28T 30T 32T 34T 36T single speed round narrow wide teeth chainring, wide and narrow teeth alternately design is effective to prevent the chain from falling off.
• Cranksets Compatible: 7Speed-12Speed; mounting; Shaft diameter: 24mm; Offset: 3 degrees; Crank screw specification: m15; Pedal: m14; For 68mm-73mm(2.67-2.87in) wide frame bottom bracket.
• Package list and Easy to install: 2xCrank Arms(left crank arm +right crank arm); 1xChainring; 1xbottom bracket. This crank arm is divided into left and right side, please pay attention to the left and right side when installing, Very quick.