Product Description
This highly efficient narrow/wide chainring will grip the chain perfectly, prevent chain drops.7075 aluminum alloy T651 heating treatment. Light weight but also high strength.Precision machining and anodic oxidation electroplating, keep surface smooth, bright color, not faded and corrosion resistance. 4mm chainring thickness to ensure no flexing.

Features:
Material: 7075-T6 Aluminum alloy
Size: 30-42t
Compatibility: 8,9,10,11,12 speed chain
Bolt Center Diameter: 104mm BCD
Thickness: 4mm
Shape: Round/Oval
Fit for MTB Bike,XC/Off Road/AM bike modified single chainring,Fit SRAM/FSA/Prowheel 104bcd crank.Please make sure your crank BCD specification is 104mm BCD before purchasing.
Package Include:
Chain Ring of Chosen Color