STONE bike chainring spider 110bcd for brompton folding bike tline t line carbon fiber crankset
Direct mount interface fit to tline carbon fiber crankset
Material: alu 7075-T6
Full CNC process, process precision is 0.03mm.
Side play less than 0.04mm
Thickness 16mm
Weight 72 grams
Offset 16mm inner, it will get same chainline to the original tline bike.
It design for 1x speed. Can install 1pcs chainring.
 
  
  
  
  
  
  
  
  
 
 
 



