SPIDER-SPLINE DRIVE (SINGLE CHAINRING)
-Designed to provide optimal chainline when using a Profile Euro Outboard bottom bracket.
-Places the single chainring over the external bearing cup.
-Machined from billet aluminum plate.
-Supplied with a CrMo Steel adapter insert already pressed in.
Three styles of single chainring spider available:
-4 Bolt (104MM BCD) for 19mm splined axle
-4 Bolt (104MM BCD) for 22mm splined axle
-5 Bolt (110MM BCD) for 19mm splined axle
Colors: silver, black, red, blue, gold, green, purple(19mm Axle only)