CANNONDALE (3mm offset) Oval Narrow Wide Chainring 30-38T Colour:Black and the back is hollowed

and the back is hollowed out and chamferedto ensure strength while also reducing the weight of thechainring

2mm /  27

This spider also supports single-speed chainrings

61 (3nails 32T)

【WEIGHT】:150g

CANNONDALE (3mm offset) Oval Narrow Wide Chainring 30-38T Colour:Black and the back is hollowedModel 30T or 32T or 34T or 36T or 38T Colour Black or Silver Made from 7075 T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Chainring shape Oval Compatible cranksets cannondale SI SL Cannondale Direct mount Crank Weight, grams 53g (30T), 60g (32T), 65g (34T), 68g (36T)73g (38T), Offset, mm 3mm (Closer to the frame) Chain compatibility Support 9 10 11 12 speed ordinary chain Bicycle shops or dealers, please contact uswe can offer