Description:

Made of premium aluminum alloy, electroplating process - bright, corrosion resistance, ultra-light but high strength.
Specifications: 45T 47T 53T 56T 58T; standard 130mm BCD; 170mm Crank Arms.
Narrow wide tooth design increase the contact area with the chain greatly.
This bike crank arm kit include crank arm and crankset with 5 bolts.
Wide applied for Mountain, Road, BMX, Fixed Gear, Folding Bikes etc.

Specification:

Material: Aluminum Alloy
Crank Arm:
Length: 170mm
Crankset:
BCD(Bolt Center Diameter): 130mm
Diameter: 45T(195mm/7.7inch); 47T(205mm/8.1inch); 53T(225mm/8.9inch); 56T(235mm/9.3inch); 58T(245mm/9.6inch)

Package Includes:

1 Set Bike Crankset with Crank Arm

Note:

45/47T is fit for 14inch folding bikes, 16inch folding bike select the chainring less than 53T, and 20inch folding bike need the chain ring less than 56T(As your choose).
Please confirm whether the BCD is 130mm.