Profile 19mm 5-bolt 110mm BCD spline drive spider



designed to provide optimal chainline when using a Profile External Euro bottom bracket
places the single chainring over the external bearing cup
machined from billet aluminum plate
pre-installed 19mm 48 spline drive steel insert *
5 Bolt (110mm BCD) bolt pattern
83g / 2.9oz
* fits Profile Racing and Madera 19mm 48 spline spindles
might not fit other brands due to differences in tolerance and spline profile