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 aCrMo 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)

Weight:
4-Bolt: 74g/2.6oz
5-Bolt: 83g/2.9oz