Stone 82bcd Bike Chainring for Fsa Alpha Drive Gamma Pro Marlin 7 Mtb Narrow Wide Chainring 30t-42t Round Mountain Bike Bicycle

Material: High strength Aluminum 7075-T651.

 

Material Hardness:HB150

CNC process precision:0.03mm

 

Color: black anodized

Size: 82 BCD, round

 

Thickness: 4MM

 

Speed: 9-10-11-12 speed(MTB) 9-11s(Road)

Fit for Fsa Gamma Pro and Alpha Drive 1x crankset,fit for Marlin 7 Mtb Bike.

 

Surface treatment: Anodize, high speed CNC

 

Package Contents:

1 x chainring, 4 bolts

 

Tooth Max diameter(mm) Weight(g)

30 T , 130 mm , 50 g

32 T , 138 mm , 56 g

34 T , 146 mm , 59 g

36 T , 154 mm , 61 g

38 T , 162 mm , 68 g

40 T , 170 mm , 74 g

42 T , 178 mm , 81 g

 

Advantages:

1 Material: High strength Aluminum 7075-T651. Offer best stiffness and endurance.

 

2 High precision CNC processing. Working accuracy 0.03mm. Ensure offers you the best riding component.