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Your cart is empty. The crankshaft is a part of the bicycle that connects the crankshaft and the crank,The special design of the tooth profile makes it easier for the chain to change gears,Secondly, due to the concave-convex design, the chain has extra space, so the driving speed can be smoother.
Material: Aluminium alloy 6061
Model:GOLDIX-RD
Crank length: 110/127/140/150/155/160mm
Thickness:14.5mm
Chain ring:28t 30t 32t 34t 36t
Offset:3degree
Shaft diameter:24mm
Shaft material: chrome molybdenum steel
Crank screw specification:m15
Surface treatment: anodised
Pedal: m14
Speed support: 7s-12s
Mountain bike crankset
Mountain bike hollow integrated chainring, cost-effective, integrated crank axle design, high strength, more labor-saving riding, faster acceleration.
Advantages of hollow integrated chainring for mountain bikes:
Material: High-carbon steel material and Rust proof plating is used to make the chain ring firm, reliable and durable
Packaging includes
1 x Chainring
1 x Crank
1 x bearing bottom bracket