12 Speed Bicycle Crank Set 170mm/175mm Bike Crankset

Features:

Crank arm set equipped with a 53-39T chainring; bottom bracket is included.

Made of aluminum alloy with machining, lightweight and stiff.

Chrome molybdenum steel shaft, corrosion-resistant and impact-resistant.

Threaded BB / Press-fit BB optional: Threaded BB for BSA 68/73mm; Press-fit BB for 86-92mm.

Compatible with 7s-12s road bikes.



Specifications:

Material: Aluminum alloy

Chainring Teeth: 53-39T

Shaft Length: 116mm

Crank Length: 170mm / 175mm (optional)

Bottom Bracket Type: Threaded BB / Press-fit (optional)

Threaded BB:

Size: 43 * 87mm / 1.7 * 3.4in

Compatibility: 68/73mm shell

Press-fit BB:

Size: 44 * 92mm / 1.7 * 3.6in

Compatibility: 86-92mm shell

Package Size: 246 * 188 * 55mm / 9.7 * 7.4 * 2.2in

Package Weight: Approx. 952g / 2.1lb



Package List:

1 * Chainring

1 * Pair of Crank Arm (Left & Right)

1 * Bottom Bracket
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