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