The new LOGO(EVOSID)and the old LOGO(ZEROING)are sent randomly

NEW LOGO-EVOSID OLD LOGO-ZEROING

Material: aluminum alloy

Color: black/red

BCD: 104MM

Teeth: 32T/34T/36T/38T

Weight: about 46/54/54/68g

Extended edition plus or minus tooth shape, the chain can effect better;

CNC machining integrated, intensity is more secure, appply for long time cycling;

The positive tooth corresponding chian tooth width; tooth corresponding negative chain is narow.

It can help the vehicle reduce 1kg weight.

Please determine your crank BCD specification carefully before buying.