Description:

 Brand: DECKAS
 Color: Black / Red / Gold / Blue /Green / Purple
 Material: Aluminum alloy 7075-T6
 Bolt Center Diameter: 104mm BCD
 Teeth: 32-38T (Round/Oval,optional)
 Thickness: 4mm (1.9mm Narrow, 3.7mm Wide)
 Compatible with: 7/8/9/10/11/speed chains (for Shimano/SRAM/FSA 104bcd crank)
 
 Process: Full CNC engraving and milling, anodic oxidation, full of the laser marking
 Function: Minimize the probability of chain, simplifying the variable speed system, minus the excess weight