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

Stone 82BCD for Fs.a Alpha Drive Gamma Pro Marlin 7Features:Fit for : for Fs.a Gamma Pro and Alpha Drive 1x crankset,fit for Marlin 7 Mtb BikeMaterial Hardness:HB150CNC process precision:0.03mmColor: black anodizedSize: 82 BCD roundThickness: 4MMSurface treatment: Anodize, high speed CNCTooth: Narrow wide toothChain Speed support:9-10-11-12 speed (MTB)9-10-11 speed (Road) NOT for 12s AXS flattop chainPlease pay attention!!!：1, This chainring is NOT for 12s AXS flattop chain.2, Most STONE chainrings produce by order, it needs several days to produce. Hope you would understand 3-5days preparing time.Thanks for your understanding!Advantages:1, This kind of chainring made from high strength Aluminum 7075-T651, offering best stiffness and endurance.2, High precision CNC processing. Working accuracy 0.03mm. Ensuring that offers you the best riding component.Package Contents:1 x chainring, 4 boltsTooth Max diameter(mm) Weight(g)34T, 146mm, 59g36T, 154mm, 61g38T, 162mm, 68g40T, 170mm, 74g42T, 178mm, 81gABOUTStone Design Workshop focus to offer high quality and innovated design CNC processed chainrings to clients in worldwide, especially favored by EU race teams. Provides customize rings on tooth quantity and style as well as add team logos or name base on Stone logo.Material is basic of everything, Aluminum 7075-T651 supplied by Aleris and Alcoa USA, which is top aluminum supplier in world wide, Aleris is supplier to many aircraft make.

• Fit : for Fs.a Gamma Pro and Alpha Drive 1x crankset,fit for Marlin 7 Mtb Bike.
• Chain Speed support: 9-10-11-12 speed(MTB) 9-11s(Road), NOT for 12s AXS flattop chain.
• Tooth: 30T-42T; Size: 82 BCD round; Thickness: 4MM; Weight: 50g-81g.
• Material: High strength Aluminum 7075-T651; high precision CNC processing; offer best stiffness and endurance.
• Package Contents: 1pcs Chainring, 4pcs Aluminum bolts.