More lightweight and more versatile! The B.O.R. XM557 3X crankset featuring the "Smart Spindle System" and secures for installing the cranks into 11 different bottom bracket types. For 3x9 and 3x10 drives.
The FB557-Basic is one of the lightest Fatbike cranks on the market (490 grams). It is designed for Fatbikes with a “Rear Dropout Spacing” (RDS) from 165 to 177 mm. Without chainrings, with 1-spd Spider.