HUP 34T/36T/38T/40T 110bcd Narrow-Wide Chainrings: Kids Road Race/Cyclocross/MTB Race Bikes

A five bolt 110 PCD narrow-wide chainring designed to keep chains securely in place. Compatible with all 9, 10,11 or 12 speed chains, including SRAM Eagle (not suitable for 'Hidden Bolt' SRAM designs).

For full details, see the HUP website...