Brand: DECKAS
Color: Black
Material: A7075 Aluminium Alloy
Bolt Center Diameter: 104mm
Thickness:4mm,
2mm(narrow),3.8mm(wide)
Weight: 51g(34T)
Narrow-wide tooth profiling prevents chain drop without a chainguide
Compatible with 8/9/10/11 speed chains
Narrow Wide tooth profiling ensures ultimate chain retention with 1x chains.