Features:

Adopts aluminum alloy cutting to ensure the accuracy of product use.

Material is aluminum alloy, hardness is much higher than the steel chain wheel, strong and practical.

Can be used with many accessories for mountain bikes and can be combined with a variety of configuration options

Wide,Hollow Design,Ultralight.

Specifications:

Mateiral: AL7075 chainring

Color: Black

50T:

BCD: 130mm

Diameter: 208mm

Item weight: 85g

Package weight: 100g

52T:

BCD: 130mm

Diameter: 216mm

Item weight: 88g

Package weight: 103g

54T:

BCD: 130mm

Diameter: 224mm

Item weight: 92g

Package weight: 107g

56T:

BCD: 130mm

Diameter: 231mm

Item weight: 98g

Package weight: 113g

58T:

BCD: 130mm

Diameter: 242mm

Item weight: 103g

Package weight: 118g

Package size: 280 * 260 * 10mm / 11.0 * 10.2 * 0.4in

Packing List:

1 * Bicycle Chain Rings
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