Profile 19mm 4-bolt 104mm BCD spline drive spider

$78.95

DESCRIPTION

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.
19mm spline drive steel insert already pressed in
4 Bolt (104mm BCD) for 19mm splined axle
74g / 2.6oz