--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.

Technical Details

Product Details

Package Dimensions
Width : 6.5 inch
Height : 0.59 inch
Length : 6.89 inch

Shipping Weight: 5.6 ounce (View shipping rates and policies)

ASIN : B06X3TBVX3