Cannondale HollowGram OPI SpideRing 8-Arm chainrings

The 3D Forged Cannondale HollowGram 8-Arm SpideRing is a beautiful piece of engineering and one of the best front shift sets on the market.

Not only does the OPI chain spider have an attractive and unique design, its one-piece construction keeps weight low while increasing stiffness and durability. The fully rampant design is achieved through high-precision manufacturing processes and ensures exceptionally smooth shifting on open roads as well as challenging climbs and fast descents.