Tay Quay Xe Đạp Bằng Hợp Kim Nhôm 130bcd

Giới thiệu Tay Quay Xe Đạp Bằng Hợp Kim Nhôm 130bcd

Description:
Made of premium aluminum alloy, CNC machined and 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
Comes with 5 bolts for easy and convenient mounting
Wide applied for Mountain, Road, BMX, Fixed Gear, Folding Bikes etc.
Specification:
Material: aluminum alloy
Crank Arm:
Length: 170mm
Compatible: single 3/6/7/8 speed chainring
Weight: about 525g (right & left)
Chainring:
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)
Color: black
Package Includes:
1 Set Bike Crankset (Chainwheel and Chainarm)
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.
The chain must be lengthened if the larger chain ring is replaced.
When choose large chainring, please confirm that whether its diameter is within an appropriate range, otherwise it will need to replace a longer axle.

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