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

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

Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier.

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, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier. Offer best stiffness and endurance.

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