IXF 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset Aluminum Alloy MTB Crank Set Round Narrow Wide Chainring Bottom Bracket Bolts fit Shimano

Alloy. Shimano Altus Rear Derailleur: Shimano altus rear derailleur / sealed crankset. Shimano 7 Speed Freewheel: Shimano freewheel is a must-have accessory for your bike, making it a must have accessory. Shimano 7 Speed Gear Set: Shimano's 7 speed gear set is designed to make your ride smoother and more comfortable. It's a good gear to improve your speed, improve your safety and make your pedaling more smooth. Shimano 8 Speed Groupset: Compatible with shimano 8 speed gears, including a crankset. Shimano 7 Speed Groupset: Compatible with shimano 7-speed shifting system, not only a pedal crank, but also a shifting set. Crank description: Brand: JIANKUN IXF). Crank Arm length: 170mm. Color: Black/Red. Material: AL6061 aluminum alloy. Compatible: Single/Double/Triple chainrings, for 7/8/9/10/11/12S chains. Bolt Center Diameter: 104mm BCD. Weight: about 637g right left). Advantages: light weight, stylish appearance, very cool, high strength axle, strong compatibility. Chainring description