CYSKY 34T Narrow Wide Chainring 104 BCD Bike Single with 9 10 11 Speed for Road Mountain BMX MTB (34T)

Teeth Size: 34T/144mm, Chain Size: Standard 1/2" X 1/8", Shaped: Round,Fit for various kinds of bike crank which BCD is 104mm Material: Made of High quality Anodic oxidation 7075 T6 aluminium alloy,aerospace grade strength.Stiff 4mm plate thickness to ensure no flexing. CNC Precision Process: precision machining and anodic oxidation electroplating, keep medals smooth surface, bright color, not faded and corrosion resistance. Narrow Wide tooth design: The narrow wide tooth design increasing the contact area with the chain greatly, so that each of the teeth can be fully inserted into the chain,ensures ultimate chain retention,increases wear life,and reduces friction and noise. Compatible Model：Suitable for most of SHIMANO and SRAM cranksets. Please determine your crank BCD specification carefully before buying