Profile Racing bolt on style spider is for use with all 19mm spindle cranks with a standard sprocket bolt in either 4 or 5 arm pattern in high polished silver. 

•  Chainring can be mounted on inner or outer face of spider for chainline adjustability.

Two styles of single chainring spiders available:

•  4 Bolt (104MM BCD) for 19mm axle

•  5 Bolt (110MM BCD) for 19mm axle

Colours: silver, black

Weight:

•  4-Bolt: 65g/2.27oz

•  5-Bolt: 71g/2.48oz