Chain speed: 8 9 10 11 12 speed

for crankset: M391 M430 M590 M610 M615 M610 M670 M675 M770 M780 M785 M980 M640 M820

Material: Aluminum 7075
Specification: 32T 34T 36T 38T
BCD(PCD): 104 mm
Color: black, gold,red,blue
Thickness:4MM

Weight and max diameter
32T 39g
34T 48g
36T 61g
38T 78g
40T 80g 17.5cm
42T 81g 18.5cm
44T 91g 19.5cm
46T 100g 20.5cm
48T 117g 21cm
50T 128g 21.5cm
52T 142g 22.5cm

Package Contents:
1 x Chainring



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