MTB Cannondale Hollowgram spiderless chainring Leonardi Factory Gecko 11s or 12s

Leonardi Factory Gecko spiderless chainrings for Cannondale Hollowgram cranks. This chainrings have special toothed narrow-wide for use as single chainring in 1x10spd, 1x11spd and 1x12spd transmissions, and prevent it getting out the chain. They are not valid for transmissions of various chainrings.

There is two offset options:

- FSI (2mm offset): For Cannondale SI geometry bikes (FSI, Scalpel-SI)

- Standard (6mm offset): For other Cannondale bikes or other brands.

Features:

• For transmissions of one chainring (1x10spd, 1x11spd or 1x12spd).
• Narrow-wide teeth prevent it getting out the chain.
• Round or oval chainring.
• For Cannondale Hollowgram cranks.
• For chains of 10, 11 and 12 speeds.